{"id":"CVE-2017-18255","aliases":["DEBIAN-CVE-2017-18255","DLA-1423-1","EUVD-2017-9386","GHSA-gjm4-57hm-j3hg","SUSE-SU-2020:1255-1","SUSE-SU-2020:1275-1","UBUNTU-CVE-2017-18255","USN-3696-1","USN-3696-2","USN-3754-1"],"status":"published","title":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before...","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00388,"percentile":0.33189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2018-03-31T00:00:00Z","modified":"2026-10-28T08:17:36Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["4.11.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["4.11.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["4.11.6-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"linux","fixed_in":["3.13.0-157.207"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"linux-aws","fixed_in":["4.4.0-1024.25"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"linux-lts-xenial","fixed_in":["4.4.0-130.156~14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux","fixed_in":["4.4.0-130.156"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-aws","fixed_in":["4.4.0-1062.71"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-gcp","fixed_in":["4.13.0-1002.5"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-hwe","fixed_in":["4.13.0-32.35~16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-kvm","fixed_in":["4.4.0-1029.34"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-raspi2","fixed_in":["4.4.0-1092.100"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"linux-snapdragon","fixed_in":["4.4.0-1095.100"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:FIPS-updates:16.04:LTS","package":"linux-fips","fixed_in":["4.4.0-1008.10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.6-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"linux-4.9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.110-1~deb8u1"}]}],"bundled":24},{"source":"osv","ecosystem":"SUSE:OpenStack 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]},{"url":"https://ubuntu.com/security/CVE-2018-13406","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-18255","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T17:00:00Z","modified":"2024-08-05T21:13:49.198Z","updated_at":"2026-11-02T14:33:22.064284Z"}],"euvd":[{"id":"EUVD-2017-9386","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T17:00:00Z","modified":"2024-08-05T21:13:49Z","updated_at":"2026-11-03T02:23:07.6199Z"}],"ghsa":[{"id":"GHSA-gjm4-57hm-j3hg","title":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before...","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2022-05-14T01:39:47Z","modified":"2023-02-02T05:04:17Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:51:50.069193Z"}],"nvd":[{"id":"CVE-2017-18255","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T17:29:00.263Z","modified":"2026-06-17T01:12:29.44Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:04:17.032862Z"}],"osv":[{"id":"CVE-2017-18255","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T17:29:00.263Z","modified":"2026-03-15T22:24:09.581591Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:05.486486Z"},{"id":"DEBIAN-CVE-2017-18255","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T17:29:00.263Z","modified":"2026-09-01T20:03:47.051911791Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.100767Z"},{"id":"UBUNTU-CVE-2017-18255","description":"The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.","status":"published","published":"2018-03-31T00:00:00Z","modified":"2026-10-28T08:17:36.458952451Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:14.977781Z"},{"id":"DLA-1423-1","title":"linux-4.9 - security update","status":"published","published":"2018-07-14T00:00:00Z","modified":"2026-03-09T01:01:06.55529Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"SUSE-SU-2020:1255-1","title":"Security update for the Linux Kernel","description":"The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes.\n\n\nThe following security bugs were fixed:\n\n- CVE-2020-11494: An issue was discovered in slc_bump in drivers/net/can/slcan.c, which allowed attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL (bnc#1168424).\n- CVE-2020-10942: In get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls (bnc#1167629).\n- CVE-2020-8647: Fixed a use-after-free vulnerability in the vc_do_resize function in drivers/tty/vt/vt.c (bnc#1162929).\n- CVE-2020-8649: Fixed a use-after-free vulnerability in the vgacon_invert_region function in drivers/video/console/vgacon.c (bnc#1162931).\n- CVE-2020-9383: Fixed an issue in set_fdc in drivers/block/floppy.c, which leads to a wait_til_ready out-of-bounds read (bnc#1165111).\n- CVE-2019-9458: In the video driver there was a use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed (bnc#1168295).\n- CVE-2019-3701: Fixed an issue in can_can_gw_rcv, which could cause a system crash (bnc#1120386).\n- CVE-2019-19768: Fixed a use-after-free in the __blk_add_trace function in kernel/trace/blktrace.c (bnc#1159285).\n- CVE-2020-11609: Fixed a NULL pointer dereference in the stv06xx subsystem caused by mishandling invalid descriptors (bnc#1168854).\n- CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).\n- CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).\n- CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bnc#1170345).\n- CVE-2020-11608: Fixed an issue in drivers/media/usb/gspca/ov519.c caused by a NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints (bnc#1168829).\n- CVE-2017-18255: The perf_cpu_time_max_percent_handler function in kernel/events/core.c allowed local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation (bnc#1087813).\n- CVE-2020-8648: There was a use-after-free vulnerability in the n_tty_receive_buf_common function in drivers/tty/n_tty.c (bnc#1162928).\n- CVE-2020-2732: A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest (bnc#1163971).\n- CVE-2019-5108: Fixed a denial-of-service vulnerability caused by triggering AP to send IAPP location updates for stations before the required authentication process has completed (bnc#1159912).\n- CVE-2020-8992: ext4_protect_reserved_inode in fs/ext4/block_validity.c allowed attackers to cause a denial of service (soft lockup) via a crafted journal size (bnc#1164069).\n- CVE-2018-21008: Fixed a use-after-free which could be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c (bnc#1149591).\n- CVE-2019-14896: A heap-based buffer overflow vulnerability was found in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP (bnc#1157157).\n- CVE-2019-14897: A stack-based buffer overflow was found in Marvell WiFi chip driver. An attacker is able to cause a denial of service (system crash) or, possibly execute arbitrary code, when a STA works in IBSS mode (allows connecting stations together without the use of an AP) and connects to another STA (bnc#1157155).\n- CVE-2019-18675: Fixed an integer overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allowed local users (with /dev/video0 access) to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation (bnc#1157804).\n- CVE-2019-14615: Insufficient control flow in certain data structures for some Intel(R) Processors with Intel(R) Processor Graphics may have allowed an unauthenticated user to potentially enable information disclosure via local access (bnc#1160195, bsc#1165881).\n- CVE-2019-19965: Fixed a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition (bnc#1159911).\n- CVE-2019-20054: Fixed a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links (bnc#1159910).\n- CVE-2019-20096: Fixed a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service (bnc#1159908).\n- CVE-2019-19966: Fixed a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service (bnc#1159841).\n- CVE-2019-19447: Fixed an issue with mounting a crafted ext4 filesystem image, performing some operations, and unmounting could lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c (bnc#1158819).\n- CVE-2019-19319: Fixed an issue with a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call (bnc#1158021).\n- CVE-2019-19767: Fixed mishandling of ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c (bnc#1159297).\n- CVE-2019-19066: Fixed memory leak in the bfad_im_get_stats() function in drivers/scsi/bfa/bfad_attr.c that allowed attackers to cause a denial of service (memory consumption) by triggering bfa_port_get_stats() failures (bnc#1157303).\n- CVE-2019-19332: There was an OOB memory write via kvm_dev_ioctl_get_cpuid (bsc#1158827).\n- CVE-2019-19537: There was a race condition bug that could have been caused by a malicious USB device in the USB character device driver layer (bnc#1158904).\n- CVE-2019-19535: There was an info-leak bug that could have been caused by a malicious USB device in the drivers/net/can/usb/peak_usb/pcan_usb_fd.c driver (bnc#1158903).\n- CVE-2019-19527: There was a use-after-free bug that could have been caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (bnc#1158900).\n- CVE-2019-19533: There was an info-leak bug that could have been caused by a malicious USB device in the drivers/media/usb/ttusb-dec/ttusb_dec.c driver (bnc#1158834).\n- CVE-2019-19532: There were multiple out-of-bounds write bugs that could have been caused by a malicious USB device in the Linux kernel HID drivers (bnc#1158824).\n- CVE-2019-19523: There was a use-after-free bug that could have been caused by a malicious USB device in the drivers/usb/misc/adutux.c driver (bnc#1158823).\n- CVE-2019-15213: An issue was discovered in the Linux kernel, there was a use-after-free caused by a malicious USB device in the drivers/media/usb/dvb-usb/dvb-usb-init.c driver (bnc#1146544).\n- CVE-2019-19531: There was a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/yurex.c driver (bnc#1158445).\n- CVE-2019-19525: There was a use-after-free bug that can be caused by a malicious USB device in the drivers/net/ieee802154/atusb.c driver (bnc#1158417).\n- CVE-2019-19530: There was a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver (bnc#1158410).\n- CVE-2019-19536: There was an info-leak bug that can be caused by a malicious USB device in the drivers/net/can/usb/peak_usb/pcan_usb_pro.c driver (bnc#1158394).\n- CVE-2019-19524: There was a use-after-free bug that can be caused by a malicious USB device in the drivers/input/ff-memless.c driver (bnc#1158413).\n- CVE-2019-19534: There was an info-leak bug that can be caused by a malicious USB device in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver (bnc#1158398).\n- CVE-2019-14901: A heap overflow flaw was found in the Linux kernel in Marvell WiFi chip driver. The vulnerability allowed a remote attacker to cause a system crash, resulting in a denial of service, or execute arbitrary code. The highest threat with this vulnerability is with the availability of the system. If code execution occurs, the code will run with the permissions of root. This will affect both confidentiality and integrity of files on the system (bnc#1157042).\n- CVE-2019-14895: Fixed a heap-based buffer overflow in the Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code (bnc#1157158).\n- CVE-2019-18660: Fixed a information disclosure on powerpc related to the Spectre-RSB mitigation. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c (bnc#1157038 1157923).\n- CVE-2019-18683: Fixed a privilege escalation where local users have /dev/video0 access, but only if the driver happens to be loaded. There are multiple race conditions during streaming stopping in this driver (part of the V4L2 subsystem) (bnc#1155897).\n- CVE-2019-19062: Fixed a memory leak in the crypto_report() function in crypto/crypto_user_base.c, which allowed attackers to cause a denial of service (memory consumption) by triggering crypto_report_alg() failures (bnc#1157333).\n- CVE-2019-19052: A memory leak in the gs_can_open() function in drivers/net/can/usb/gs_usb.c allowed attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures (bnc#1157324).\n- CVE-2019-19074: A memory leak in the ath9k_wmi_cmd() function in drivers/net/wireless/ath/ath9k/wmi.c allowed attackers to cause a denial of service (memory consumption) (bnc#1157143).\n- CVE-2019-19073: Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c allowed attackers to cause a denial of service (memory consumption) by triggering wait_for_completion_timeout() failures (bnc#1157070).\n- CVE-2019-11091,CVE-2018-12126,CVE-2018-12130,CVE-2018-12127: Earlier mitigations for the 'MDS' Microarchitectural Data Sampling attacks were not complete.\n  An additional fix was added to the x86_64 fast systemcall path to further mitigate these attacks. (bsc#1164846 bsc#1170847)\n\n\nThe following non-security bugs were fixed:\n\n- blk: Fix kabi due to blk_trace_mutex addition (bsc#1159285).\n- blktrace: fix dereference after null check (bsc#1159285).\n- blktrace: fix trace mutex deadlock (bsc#1159285).\n- btrfs: Fix bound checking in qgroup_trace_new_subtree_blocks (bsc#1155311).\n- btrfs: qgroup: Check bg while resuming relocation to avoid NULL pointer dereference (bsc#1155311).\n- btrfs: qgroup: Cleanup old subtree swap code (bsc#1155311).\n- btrfs: qgroup: Do not trace subtree if we're dropping reloc tree (bsc#1155311).\n- btrfs: qgroup: Introduce function to find all new tree blocks of reloc tree (bsc#1155311).\n- btrfs: qgroup: Introduce function to trace two swaped extents (bsc#1155311).\n- btrfs: qgroup: Introduce per-root swapped blocks infrastructure (bsc#1155311).\n- btrfs: qgroup: Only trace data extents in leaves if we're relocating data block group (bsc#1155311).\n- btrfs: qgroup: Refactor btrfs_qgroup_trace_subtree_swap (bsc#1155311).\n- btrfs: qgroup: Use delayed subtree rescan for balance (bsc#1155311).\n- btrfs: qgroup: Use generation-aware subtree swap to mark dirty extents (bsc#1155311).\n- btrfs: reloc: Also queue orphan reloc tree for cleanup to avoid BUG_ON() (bsc#1155311).\n- btrfs: relocation: Delay reloc tree deletion after merge_reloc_roots (bsc#1155311).\n- btrfs: relocation: fix use-after-free on dead relocation roots (bsc#1155311).\n- btrfs: reloc: Fix NULL pointer dereference due to expanded reloc_root lifespan (bsc#1155311).\n- cgroup: avoid copying strings longer than the buffers (bsc#1146544).\n- cgroup: use strlcpy() instead of strscpy() to avoid spurious warning (bsc#1146544).\n- enic: prevent waking up stopped tx queues over watchdog reset (bsc#1133147).\n- ext4: fix use-after-free race with debug_want_extra_isize (bsc#1136449).\n- fix PageHeadHuge() race with THP split (VM Functionality, bsc#1165311).\n- fs/binfmt_misc.c: do not allow offset overflow (bsc#1099279 bsc#1156060).\n- fs/xfs: fix f_ffree value for statfs when project quota is set (bsc#1165985).\n- futex: Use smp_store_release() in mark_wake_futex() (bsc#1157464).\n- Input: add safety guards to input_set_keycode() (bsc#1168075).\n- ipv4: correct gso_size for UFO (bsc#1154844).\n- ipv6: fix memory accounting during ipv6 queue expire (bsc#1162227) (bsc#1162227).\n- ipvlan: do not add hardware address of master to its unicast filter list (bsc#1137325).\n- media: ov519: add missing endpoint sanity checks (bsc#1168829).\n- media: stv06xx: add missing descriptor sanity checks (bsc#1168854).\n- netfilter: conntrack: sctp: use distinct states for new SCTP connections (bsc#1159199).\n- netfilter: nf_nat: do not bug when mapping already exists (bsc#1146612).\n- powerpc/64: Call setup_barrier_nospec() from setup_arch() (bsc#1131107).\n- powerpc/64: Make meltdown reporting Book3S 64 specific (bsc#1091041).\n- powerpc/64: Make stf barrier PPC_BOOK3S_64 specific (bsc#1131107).\n- powerpc/64s: Add new security feature flags for count cache flush (bsc#1131107).\n- powerpc/64s: Add support for software count cache flush (bsc#1131107).\n- powerpc/64s: support nospectre_v2 cmdline option (bsc#1131107).\n- powerpc/asm: Add a patch_site macro \u0026 helpers for patching instructions (bsc#1131107).\n- powerpc/fsl: Add nospectre_v2 command line argument (bsc#1131107).\n- powerpc/fsl: Fix spectre_v2 mitigations reporting (bsc#1131107).\n- powerpc/powernv: Query firmware for count cache flush settings (bsc#1131107).\n- powerpc/pseries: Query hypervisor for count cache flush settings (bsc#1131107).\n- powerpc/security/book3s64: Report L1TF status in sysfs (bsc#1091041).\n- powerpc/security: Fix spectre_v2 reporting (bsc#1131107).\n- powerpc/security: Fix wrong message when RFI Flush is disable (bsc#1131107).\n- powerpc/security: Show powerpc_security_features in debugfs (bsc#1131107).\n- route: set the deleted fnhe fnhe_daddr to 0 in ip_del_fnhe to fix a race (bsc#1037216).\n- sched/fair: WARN() and refuse to set buddy when !se-\u003eon_rq (bsc#1158132).\n- string: drop __must_check from strscpy() and restore strscpy() usages in cgroup (bsc#1146544).\n- x86/alternatives: Add int3_emulate_call() selftest (bsc#1153811).\n- x86/alternatives: Fix int3_emulate_call() selftest stack corruption (bsc#1153811).\n- x86/mitigations: Clear CPU buffers on the SYSCALL fast path (bsc#1164846).\n- xen/pv: Fix a boot up hang revealed by int3 self test (bsc#1153811).\n- xfs: also remove cached ACLs when removing the underlying attr (bsc#1165873).\n- xfs: bulkstat should copy lastip whenever userspace supplies one (bsc#1165984).\n","status":"published","published":"2020-05-26T14:11:09Z","modified":"2026-02-04T04:08:58.515531Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:1275-1","title":"Security update for the Linux Kernel","description":"The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes.\n\n\nThe following security bugs were fixed:\n\n- CVE-2020-11494: An issue was discovered in slc_bump in drivers/net/can/slcan.c, which allowed attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL (bnc#1168424).\n- CVE-2020-10942: In get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls (bnc#1167629).\n- CVE-2020-8647: Fixed a use-after-free vulnerability in the vc_do_resize function in drivers/tty/vt/vt.c (bnc#1162929).\n- CVE-2020-8649: Fixed a use-after-free vulnerability in the vgacon_invert_region function in drivers/video/console/vgacon.c (bnc#1162931).\n- CVE-2020-9383: Fixed an issue in set_fdc in drivers/block/floppy.c, which leads to a wait_til_ready out-of-bounds read (bnc#1165111).\n- CVE-2019-9458: In the video driver there was a use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed (bnc#1168295).\n- CVE-2019-3701: Fixed an issue in can_can_gw_rcv, which could cause a system crash (bnc#1120386).\n- CVE-2019-19768: Fixed a use-after-free in the __blk_add_trace function in kernel/trace/blktrace.c (bnc#1159285).\n- CVE-2020-11609: Fixed a NULL pointer dereference in the stv06xx subsystem caused by mishandling invalid descriptors (bnc#1168854).\n- CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).\n- CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).\n- CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bnc#1170345).\n- CVE-2020-11608: Fixed an issue in drivers/media/usb/gspca/ov519.c caused by a NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints (bnc#1168829).\n- CVE-2017-18255: The perf_cpu_time_max_percent_handler function in kernel/events/core.c allowed local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation (bnc#1087813).\n- CVE-2020-8648: There was a use-after-free vulnerability in the n_tty_receive_buf_common function in drivers/tty/n_tty.c (bnc#1162928).\n- CVE-2020-2732: A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest (bnc#1163971).\n- CVE-2019-5108: Fixed a denial-of-service vulnerability caused by triggering AP to send IAPP location updates for stations before the required authentication process has completed (bnc#1159912).\n- CVE-2020-8992: ext4_protect_reserved_inode in fs/ext4/block_validity.c allowed attackers to cause a denial of service (soft lockup) via a crafted journal size (bnc#1164069).\n- CVE-2018-21008: Fixed a use-after-free which could be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c (bnc#1149591).\n- CVE-2019-14896: A heap-based buffer overflow vulnerability was found in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP (bnc#1157157).\n- CVE-2019-14897: A stack-based buffer overflow was found in Marvell WiFi chip driver. An attacker is able to cause a denial of service (system crash) or, possibly execute arbitrary code, when a STA works in IBSS mode (allows connecting stations together without the use of an AP) and connects to another STA (bnc#1157155).\n- CVE-2019-18675: Fixed an integer overflow in cpia2_remap_buffer in drivers/media/usb/cpia2/cpia2_core.c because cpia2 has its own mmap implementation. This allowed local users (with /dev/video0 access) to obtain read and write permissions on kernel physical pages, which can possibly result in a privilege escalation (bnc#1157804).\n- CVE-2019-14615: Insufficient control flow in certain data structures for some Intel(R) Processors with Intel(R) Processor Graphics may have allowed an unauthenticated user to potentially enable information disclosure via local access (bnc#1160195, bsc#1165881).\n- CVE-2019-19965: Fixed a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition (bnc#1159911).\n- CVE-2019-20054: Fixed a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links (bnc#1159910).\n- CVE-2019-20096: Fixed a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service (bnc#1159908).\n- CVE-2019-19966: Fixed a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service (bnc#1159841).\n- CVE-2019-19447: Fixed an issue with mounting a crafted ext4 filesystem image, performing some operations, and unmounting could lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c (bnc#1158819).\n- CVE-2019-19319: Fixed an issue with a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call (bnc#1158021).\n- CVE-2019-19767: Fixed mishandling of ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c (bnc#1159297).\n- CVE-2019-11091,CVE-2018-12126,CVE-2018-12130,CVE-2018-12127: Earlier mitigations for the 'MDS' Microarchitectural Data Sampling attacks were not complete.\n  An additional fix was added to the x86_64 fast systemcall path to further mitigate these attacks. (bsc#1164846 bsc#1170847)\n\n\nThe following non-security bugs were fixed:\n\n- blk: Fix kabi due to blk_trace_mutex addition (bsc#1159285).\n- blktrace: fix dereference after null check (bsc#1159285).\n- blktrace: fix trace mutex deadlock (bsc#1159285).\n- btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents (bsc#1163508).\n- btrfs: fix panic during relocation after ENOSPC before writeback happens (bsc#1163508).\n- btrfs: qgroup: Fix root item corruption when multiple same source snapshots are created with quota enabled (bsc#1158642)\n- btrfs: relocation: fix reloc_root lifespan and access (bsc#1164009).\n- enic: prevent waking up stopped tx queues over watchdog reset (bsc#1133147).\n- fix PageHeadHuge() race with THP split (VM Functionality, bsc#1165311).\n- fs/xfs: fix f_ffree value for statfs when project quota is set (bsc#1165985).\n- ibmvnic: Bound waits for device queries (bsc#1155689 ltc#182047).\n- ibmvnic: Fix completion structure initialization (bsc#1155689 ltc#182047).\n- ibmvnic: Serialize device queries (bsc#1155689 ltc#182047).\n- ibmvnic: Terminate waiting device threads after loss of service (bsc#1155689 ltc#182047).\n- input: add safety guards to input_set_keycode() (bsc#1168075).\n- ipv4: correct gso_size for UFO (bsc#1154844).\n- ipv6: fix memory accounting during ipv6 queue expire (bsc#1162227) (bsc#1162227).\n- ipvlan: do not add hardware address of master to its unicast filter list (bsc#1137325).\n- md: add mddev-\u003epers to avoid potential NULL pointer dereference (bsc#1056134).\n- md/bitmap: do not read page from device with Bitmap_sync (bsc#1056134).\n- md: change the initialization value for a spare device spot to MD_DISK_ROLE_SPARE (bsc#1056134).\n- md: Delete gendisk before cleaning up the request queue (bsc#1056134).\n- md: do not call bitmap_create() while array is quiesced (bsc#1056134).\n- md: do not set In_sync if array is frozen (bsc#1056134).\n- md: fix a potential deadlock of raid5/raid10 reshape (bsc#1056134).\n- md: md.c: Return -ENODEV when mddev is NULL in rdev_attr_show (bsc#1056134).\n- md: notify about new spare disk in the container (bsc#1056134).\n- md/raid0: Fix buffer overflow at debug print (bsc#1164051).\n- md/raid10: end bio when the device faulty (bsc#1056134).\n- md/raid10: Fix raid10 replace hang when new added disk faulty (bsc#1056134).\n- md/raid1,raid10: silence warning about wait-within-wait (bsc#1056134).\n- md: return -ENODEV if rdev has no mddev assigned (bsc#1056134).\n- media: ov519: add missing endpoint sanity checks (bsc#1168829).\n- media: stv06xx: add missing descriptor sanity checks (bsc#1168854).\n- net: ena: Add PCI shutdown handler to allow safe kexec (bsc#1167421, bsc#1167423).\n- netfilter: conntrack: sctp: use distinct states for new SCTP connections (bsc#1159199).\n- net/ibmvnic: Fix typo in retry check (bsc#1155689 ltc#182047).\n- rpm/kernel-binary.spec.in: Replace Novell with SUSE\n- sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision (bsc#1161586).\n- scsi: core: avoid repetitive logging of device offline messages (bsc#1145929).\n- scsi: core: kABI fix already_offline (bsc#1145929).\n- tcp: clear tp-\u003epackets_out when purging write queue (bsc#1154118).\n- x86/mitigations: Clear CPU buffers on the SYSCALL fast path (bsc#1164846 bsc#1170847).\n- xfs: also remove cached ACLs when removing the underlying attr (bsc#1165873).\n- xfs: bulkstat should copy lastip whenever userspace supplies one (bsc#1165984).\n","status":"published","published":"2020-05-14T09:34:21Z","modified":"2025-05-02T04:06:40.553773Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"USN-3696-1","title":"linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities","description":"It was discovered that an integer overflow existed in the perf subsystem of\nthe Linux kernel. A local attacker could use this to cause a denial of\nservice (system crash). (CVE-2017-18255)\n\nWei Fang discovered an integer overflow in the F2FS filesystem\nimplementation in the Linux kernel. A local attacker could use this to\ncause a denial of service. (CVE-2017-18257)\n\nIt was discovered that an information leak existed in the generic SCSI\ndriver in the Linux kernel. A local attacker could use this to expose\nsensitive information (kernel memory). (CVE-2018-1000204)\n\nIt was discovered that the wait4() system call in the Linux kernel did not\nproperly validate its arguments in some situations. A local attacker could\npossibly use this to cause a denial of service. (CVE-2018-10087)\n\nIt was discovered that the kill() system call implementation in the Linux\nkernel did not properly validate its arguments in some situations. A local\nattacker could possibly use this to cause a denial of service.\n(CVE-2018-10124)\n\nJulian Stecklina and Thomas Prescher discovered that FPU register states\n(such as MMX, SSE, and AVX registers) which are lazily restored are\npotentially vulnerable to a side channel attack. A local attacker could use\nthis to expose sensitive information. (CVE-2018-3665)\n\nJakub Jirasek discovered that multiple use-after-free errors existed in the\nUSB/IP implementation in the Linux kernel. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2018-5814)\n\nIt was discovered that an information leak vulnerability existed in the\nfloppy driver in the Linux kernel. A local attacker could use this to\nexpose sensitive information (kernel memory). (CVE-2018-7755)\n\nSeunghun Han discovered an information leak in the ACPI handling code in\nthe Linux kernel when handling early termination of ACPI table loading. A\nlocal attacker could use this to expose sensitive informal (kernel address\nlocations). (CVE-2017-13695)\n\nIt was discovered that a memory leak existed in the Serial Attached SCSI\n(SAS) implementation in the Linux kernel. A physically proximate attacker\ncould use this to cause a denial of service (memory exhaustion).\n(CVE-2018-10021)\n","status":"published","published":"2018-07-02T19:42:17Z","modified":"2026-04-22T09:47:11.143235Z","updated_at":"2026-11-02T16:58:13.496563Z"},{"id":"USN-3696-2","title":"linux-lts-xenial, linux-aws vulnerabilities","description":"USN-3696-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu\n14.04 LTS.\n\nIt was discovered that an integer overflow existed in the perf subsystem of\nthe Linux kernel. A local attacker could use this to cause a denial of\nservice (system crash). (CVE-2017-18255)\n\nWei Fang discovered an integer overflow in the F2FS filesystem\nimplementation in the Linux kernel. A local attacker could use this to\ncause a denial of service. (CVE-2017-18257)\n\nIt was discovered that an information leak existed in the generic SCSI\ndriver in the Linux kernel. A local attacker could use this to expose\nsensitive information (kernel memory). (CVE-2018-1000204)\n\nIt was discovered that the wait4() system call in the Linux kernel did not\nproperly validate its arguments in some situations. A local attacker could\npossibly use this to cause a denial of service. (CVE-2018-10087)\n\nIt was discovered that the kill() system call implementation in the Linux\nkernel did not properly validate its arguments in some situations. A local\nattacker could possibly use this to cause a denial of service.\n(CVE-2018-10124)\n\nJulian Stecklina and Thomas Prescher discovered that FPU register states\n(such as MMX, SSE, and AVX registers) which are lazily restored are\npotentially vulnerable to a side channel attack. A local attacker could use\nthis to expose sensitive information. (CVE-2018-3665)\n\nJakub Jirasek discovered that multiple use-after-errors existed in the\nUSB/IP implementation in the Linux kernel. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2018-5814)\n\nIt was discovered that an information leak vulnerability existed in the\nfloppy driver in the Linux kernel. A local attacker could use this to\nexpose sensitive information (kernel memory). (CVE-2018-7755)\n\nSeunghun Han discovered an information leak in the ACPI handling code in\nthe Linux kernel when handling early termination of ACPI table loading. A\nlocal attacker could use this to expose sensitive informal (kernel address\nlocations). (CVE-2017-13695)\n\nIt was discovered that a memory leak existed in the Serial Attached SCSI\n(SAS) implementation in the Linux kernel. A physically proximate attacker\ncould use this to cause a denial of service (memory exhaustion).\n(CVE-2018-10021)\n","status":"published","published":"2018-07-02T19:45:37Z","modified":"2026-02-10T04:41:22Z","updated_at":"2026-11-02T16:58:13.496563Z"},{"id":"USN-3754-1","title":"linux vulnerabilities","description":"Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel\ndid not properly validate meta block groups. An attacker with physical\naccess could use this to specially craft an ext4 image that causes a denial\nof service (system crash). (CVE-2016-10208)\n\nIt was discovered that an information disclosure vulnerability existed in\nthe ACPI implementation of the Linux kernel. A local attacker could use\nthis to expose sensitive information (kernel memory addresses).\n(CVE-2017-11472)\n\nIt was discovered that a buffer overflow existed in the ACPI table parsing\nimplementation in the Linux kernel. A local attacker could use this to\nconstruct a malicious ACPI table that, when loaded, caused a denial of\nservice (system crash) or possibly execute arbitrary code.\n(CVE-2017-11473)\n\nIt was discovered that the generic SCSI driver in the Linux kernel did not\nproperly initialize data returned to user space in some situations. A local\nattacker could use this to expose sensitive information (kernel memory).\n(CVE-2017-14991)\n\nIt was discovered that a race condition existed in the packet fanout\nimplementation in the Linux kernel. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2017-15649)\n\nAndrey Konovalov discovered that the Ultra Wide Band driver in the Linux\nkernel did not properly check for an error condition. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2017-16526)\n\nAndrey Konovalov discovered that the ALSA subsystem in the Linux kernel\ncontained a use-after-free vulnerability. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2017-16527)\n\nAndrey Konovalov discovered that the ALSA subsystem in the Linux kernel did\nnot properly validate USB audio buffer descriptors. A physically proximate\nattacker could use this cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2017-16529)\n\nAndrey Konovalov discovered that the USB subsystem in the Linux kernel did\nnot properly validate USB interface association descriptors. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2017-16531)\n\nAndrey Konovalov discovered that the usbtest device driver in the Linux\nkernel did not properly validate endpoint metadata. A physically proximate\nattacker could use this to cause a denial of service (system crash).\n(CVE-2017-16532)\n\nAndrey Konovalov discovered that the USB subsystem in the Linux kernel did\nnot properly validate USB HID descriptors. A physically proximate attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2017-16533)\n\nAndrey Konovalov discovered that the USB subsystem in the Linux kernel did\nnot properly validate USB BOS metadata. A physically proximate attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2017-16535)\n\nAndrey Konovalov discovered that the Conexant cx231xx USB video capture\ndriver in the Linux kernel did not properly validate interface descriptors.\nA physically proximate attacker could use this to cause a denial of service\n(system crash). (CVE-2017-16536)\n\nAndrey Konovalov discovered that the SoundGraph iMON USB driver in the\nLinux kernel did not properly validate device metadata. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2017-16537)\n\nIt was discovered that the DM04/QQBOX USB driver in the Linux kernel did\nnot properly handle device attachment and warm-start. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2017-16538)\n\nAndrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB\ndriver for the Linux kernel. A physically proximate attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2017-16643)\n\nAndrey Konovalov discovered that the video4linux driver for Hauppauge HD\nPVR USB devices in the Linux kernel did not properly handle some error\nconditions. A physically proximate attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2017-16644)\n\nAndrey Konovalov discovered that the IMS Passenger Control Unit USB driver\nin the Linux kernel did not properly validate device descriptors. A\nphysically proximate attacker could use this to cause a denial of service\n(system crash). (CVE-2017-16645)\n\nAndrey Konovalov discovered that the QMI WWAN USB driver did not properly\nvalidate device descriptors. A physically proximate attacker could use this\nto cause a denial of service (system crash). (CVE-2017-16650)\n\nIt was discovered that the USB Virtual Host Controller Interface (VHCI)\ndriver in the Linux kernel contained an information disclosure\nvulnerability. A physically proximate attacker could use this to expose\nsensitive information (kernel memory). (CVE-2017-16911)\n\nIt was discovered that the USB over IP implementation in the Linux kernel\ndid not validate endpoint numbers. A remote attacker could use this to\ncause a denial of service (system crash). (CVE-2017-16912)\n\nIt was discovered that the USB over IP implementation in the Linux kernel\ndid not properly validate CMD_SUBMIT packets. A remote attacker could use\nthis to cause a denial of service (excessive memory consumption).\n(CVE-2017-16913)\n\nIt was discovered that the USB over IP implementation in the Linux kernel\ncontained a NULL pointer dereference error. A remote attacker could use\nthis to cause a denial of service (system crash). (CVE-2017-16914)\n\nIt was discovered that the core USB subsystem in the Linux kernel did not\nvalidate the number of configurations and interfaces in a device. A\nphysically proximate attacker could use this to cause a denial of service\n(system crash). (CVE-2017-17558)\n\nIt was discovered that an integer overflow existed in the perf subsystem of\nthe Linux kernel. A local attacker could use this to cause a denial of\nservice (system crash). (CVE-2017-18255)\n\nIt was discovered that the keyring subsystem in the Linux kernel did not\nproperly prevent a user from creating keyrings for other users. A local\nattacker could use this cause a denial of service or expose sensitive\ninformation. (CVE-2017-18270)\n\nAndy Lutomirski and Willy Tarreau discovered that the KVM implementation in\nthe Linux kernel did not properly emulate instructions on the SS segment\nregister. A local attacker in a guest virtual machine could use this to\ncause a denial of service (guest OS crash) or possibly gain administrative\nprivileges in the guest OS. (CVE-2017-2583)\n\nDmitry Vyukov discovered that the KVM implementation in the Linux kernel\nimproperly emulated certain instructions. A local attacker could use this\nto obtain sensitive information (kernel memory). (CVE-2017-2584)\n\nIt was discovered that the KLSI KL5KUSB105 serial-to-USB device driver in\nthe Linux kernel did not properly initialize memory related to logging. A\nlocal attacker could use this to expose sensitive information (kernel\nmemory). (CVE-2017-5549)\n\nAndrey Konovalov discovered an out-of-bounds access in the IPv6 Generic\nRouting Encapsulation (GRE) tunneling implementation in the Linux kernel.\nAn attacker could use this to possibly expose sensitive information.\n(CVE-2017-5897)\n\nAndrey Konovalov discovered that the LLC subsytem in the Linux kernel did\nnot properly set up a destructor in certain situations. A local attacker\ncould use this to cause a denial of service (system crash). (CVE-2017-6345)\n\nDmitry Vyukov discovered race conditions in the Infrared (IrDA) subsystem\nin the Linux kernel. A local attacker could use this to cause a denial of\nservice (deadlock). (CVE-2017-6348)\n\nAndy Lutomirski discovered that the KVM implementation in the Linux kernel\nwas vulnerable to a debug exception error when single-stepping through a\nsyscall. A local attacker in a non-Linux guest vm could possibly use this\nto gain administrative privileges in the guest vm. (CVE-2017-7518)\n\nTuomas Haanpää and Ari Kauppi discovered that the NFSv2 and NFSv3 server\nimplementations in the Linux kernel did not properly handle certain long\nRPC replies. A remote attacker could use this to cause a denial of service\n(system crash). (CVE-2017-7645)\n\nPengfei Wang discovered that a race condition existed in the NXP SAA7164 TV\nDecoder driver for the Linux kernel. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2017-8831)\n\nPengfei Wang discovered that the Turtle Beach MultiSound audio device\ndriver in the Linux kernel contained race conditions when fetching from the\nring-buffer. A local attacker could use this to cause a denial of service\n(infinite loop). (CVE-2017-9984, CVE-2017-9985)\n\nIt was discovered that the wait4() system call in the Linux kernel did not\nproperly validate its arguments in some situations. A local attacker could\npossibly use this to cause a denial of service. (CVE-2018-10087)\n\nIt was discovered that the kill() system call implementation in the Linux\nkernel did not properly validate its arguments in some situations. A local\nattacker could possibly use this to cause a denial of service.\n(CVE-2018-10124)\n\nWen Xu discovered that the XFS filesystem implementation in the Linux\nkernel did not properly validate meta-data information. An attacker could\nuse this to construct a malicious xfs image that, when mounted, could cause\na denial of service (system crash). (CVE-2018-10323)\n\nZhong Jiang discovered that a use-after-free vulnerability existed in the\nNUMA memory policy implementation in the Linux kernel. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2018-10675)\n\nWen Xu discovered that a buffer overflow existed in the ext4 filesystem\nimplementation in the Linux kernel. An attacker could use this to construct\na malicious ext4 image that, when mounted, could cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2018-10877)\n\nWen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly keep meta-data information consistent in some\nsituations. An attacker could use this to construct a malicious ext4 image\nthat, when mounted, could cause a denial of service (system crash).\n(CVE-2018-10881)\n\nWen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly handle corrupted meta data in some situations. An\nattacker could use this to specially craft an ext4 filesystem that caused\na denial of service (system crash) when mounted. (CVE-2018-1092)\n\nWen Xu discovered that the ext4 filesystem implementation in the Linux\nkernel did not properly handle corrupted meta data in some situations. An\nattacker could use this to specially craft an ext4 filesystem that caused a\ndenial of service (system crash) when mounted. (CVE-2018-1093)\n\nIt was discovered that the cdrom driver in the Linux kernel contained an\nincorrect bounds check. A local attacker could use this to expose sensitive\ninformation (kernel memory). (CVE-2018-10940)\n\nShankara Pailoor discovered that the JFS filesystem implementation in the\nLinux kernel contained a buffer overflow when handling extended attributes.\nA local attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2018-12233)\n\nWen Xu discovered that the XFS filesystem implementation in the Linux\nkernel did not properly handle an error condition with a corrupted xfs\nimage. An attacker could use this to construct a malicious xfs image that,\nwhen mounted, could cause a denial of service (system crash).\n(CVE-2018-13094)\n\nIt was discovered that the Linux kernel did not properly handle setgid file\ncreation when performed by a non-member of the group. A local attacker\ncould use this to gain elevated privileges. (CVE-2018-13405)\n\nSilvio Cesare discovered that the generic VESA frame buffer driver in the\nLinux kernel contained an integer overflow. A local attacker could use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2018-13406)\n\nDaniel Jiang discovered that a race condition existed in the ipv4 ping\nsocket implementation in the Linux kernel. A local privileged attacker\ncould use this to cause a denial of service (system crash). (CVE-2017-2671)\n\nIt was discovered that an information leak existed in the generic SCSI\ndriver in the Linux kernel. A local attacker could use this to expose\nsensitive information (kernel memory). (CVE-2018-1000204)\n\nIt was discovered that a memory leak existed in the Serial Attached SCSI\n(SAS) implementation in the Linux kernel. A physically proximate attacker\ncould use this to cause a denial of service (memory exhaustion).\n(CVE-2018-10021)\n","status":"published","published":"2018-08-24T00:38:00Z","modified":"2026-06-03T14:04:16.281658586Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}