{"id":"CVE-2019-19602","aliases":["ALSA-2020:4431","DEBIAN-CVE-2019-19602","EUVD-2019-9217","GHSA-7p3p-c3r9-hpgr","RHSA-2020:4431","UBUNTU-CVE-2019-19602","USN-4284-1"],"status":"published","title":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when...","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00608,"percentile":0.49389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2019-12-05T13:21:28Z","modified":"2026-10-29T11:12:10Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["5.3.15-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["5.3.15-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["5.3.15-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"linux-azure-5.3","fixed_in":["5.3.0-1013.14~18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"linux-gcp-5.3","fixed_in":["5.3.0-1012.13~18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"linux-gke-5.3","fixed_in":["5.3.0-1012.13~18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"linux-hwe","fixed_in":["5.3.0-40.32~18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"linux-raspi2-5.3","fixed_in":["5.3.0-1018.20~18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:8","package":"kernel-tools-libs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-240.el8"}]}],"bundled":46},{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.15-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.15-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.15-1"}]}]},{"source":"osv","ecosystem":"Red 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in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T13:21:28Z","modified":"2024-08-05T02:25:11.436Z","updated_at":"2026-11-02T14:20:21.059499Z"}],"euvd":[{"id":"EUVD-2019-9217","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T13:21:28Z","modified":"2024-08-05T02:25:11Z","updated_at":"2026-11-03T02:40:24.842572Z"}],"ghsa":[{"id":"GHSA-7p3p-c3r9-hpgr","title":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when...","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2022-05-24T17:02:46Z","modified":"2023-01-29T05:00:36Z","updated_at":"2026-11-02T14:44:37.925447Z"}],"nvd":[{"id":"CVE-2019-19602","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T14:15:09.257Z","modified":"2026-06-17T02:26:55.763Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5.4,"vector":"AV:L/AC:M/Au:N/C:C/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:05:38.993437Z"}],"osv":[{"id":"CVE-2019-19602","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T14:15:09.257Z","modified":"2026-10-29T11:12:10.064768409Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:12.010761Z"},{"id":"DEBIAN-CVE-2019-19602","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T14:15:09.257Z","modified":"2026-09-21T07:01:56.697639706Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"RHSA-2020:4431","title":"Red Hat Security Advisory: kernel security, bug fix, and enhancement update","status":"published","published":"2024-09-16T03:41:07Z","modified":"2026-10-17T10:01:24Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:07.57369Z"},{"id":"UBUNTU-CVE-2019-19602","description":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","status":"published","published":"2019-12-05T14:15:00Z","modified":"2026-02-04T03:42:09.397943Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"ALSA-2020:4431","title":"Moderate: kernel security, bug fix, and enhancement update","description":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: use after free in the video driver leads to local privilege escalation (CVE-2019-9458)\n\n* kernel: use-after-free in drivers/bluetooth/hci_ldisc.c (CVE-2019-15917)\n\n* kernel: out-of-bounds access in function hclge_tm_schd_mode_vnet_base_cfg (CVE-2019-15925)\n\n* kernel: memory leak in ccp_run_sha_cmd() (CVE-2019-18808)\n\n* kernel: Denial Of Service in the __ipmi_bmc_register() (CVE-2019-19046)\n\n* kernel: out-of-bounds write in ext4_xattr_set_entry (CVE-2019-19319)\n\n* Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid (CVE-2019-19332)\n\n* kernel: use-after-free in ext4_put_super (CVE-2019-19447)\n\n* kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free (CVE-2019-19524)\n\n* kernel: race condition caused by a malicious USB device in the USB character device driver layer (CVE-2019-19537)\n\n* kernel: use-after-free in serial_ir_init_module() (CVE-2019-19543)\n\n* kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry (CVE-2019-19767)\n\n* kernel: use-after-free in debugfs_remove (CVE-2019-19770)\n\n* kernel: out-of-bounds write via crafted keycode table (CVE-2019-20636)\n\n* kernel: possible use-after-free due to a race condition in cdev_get  (CVE-2020-0305)\n\n* kernel: out-of-bounds read in in vc_do_resize function (CVE-2020-8647)\n\n* kernel: use-after-free in n_tty_receive_buf_common function (CVE-2020-8648)\n\n* kernel: invalid read location in vgacon_invert_region function (CVE-2020-8649)\n\n* kernel: uninitialized kernel data leak in userspace coredumps (CVE-2020-10732)\n\n* kernel: SELinux netlink permission check bypass (CVE-2020-10751)\n\n* kernel: out-of-bounds write in mpol_parse_str  (CVE-2020-11565)\n\n* kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)\n\n* kernel: buffer overflow in mt76_add_fragment function (CVE-2020-12465)\n\n* kernel: xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write which could result in crash and data coruption (CVE-2020-12659)\n\n* kernel: sg_write function lacks an sg_remove_request call in a certain failure case (CVE-2020-12770)\n\n* kernel: possible to send arbitrary signals to a privileged (suidroot) parent process (CVE-2020-12826)\n\n* kernel: referencing inode of removed superblock in get_futex_key() causes UAF (CVE-2020-14381)\n\n* kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641)\n\n* kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information disclosure (CVE-2019-9455)\n\n* kernel: null pointer dereference in dlpar_parse_cc_property  (CVE-2019-12614)\n\n* kernel: null-pointer dereference in drivers/net/fjes/fjes_main.c (CVE-2019-16231)\n\n* kernel: null pointer dereference in drivers/scsi/qla2xxx/qla_os.c (CVE-2019-16233)\n\n* kernel: memory leak in  af9005_identify_state() function (CVE-2019-18809)\n\n* kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function (CVE-2019-19056)\n\n* kernel: memory leak in the crypto_report() function (CVE-2019-19062)\n\n* kernel: Two memory leaks in the rtl_usb_probe() function (CVE-2019-19063)\n\n* kernel: A memory leak in the rtl8xxxu_submit_int_urb() function (CVE-2019-19068)\n\n* kernel: A memory leak in the predicate_parse() function (CVE-2019-19072)\n\n* kernel: information leak bug caused  by a malicious USB device in the drivers/media/usb/ttusb-dec/ttusb_dec.c (CVE-2019-19533)\n\n* kernel: Null pointer dereference in drop_sysctl_table() (CVE-2019-20054)\n\n* kernel: kernel stack information leak on s390/s390x (CVE-2020-10773)\n\n* kernel: possibility of memory disclosure when reading the file /proc/sys/kernel/rh_features (CVE-2020-10774)\n\n* kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family field (CVE-2020-10942)\n\n* kernel: sync of excessive duration via an XFS v5 image with crafted metadata (CVE-2020-12655)","status":"published","published":"2020-11-03T12:03:57Z","modified":"2026-10-29T11:12:07.362004346Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"USN-4284-1","title":"linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3 vulnerabilities","description":"It was discovered that the Linux kernel did not properly clear data\nstructures on context switches for certain Intel graphics processors. A\nlocal attacker could use this to expose sensitive information.\n(CVE-2019-14615)\n\nIt was discovered that the Atheros 802.11ac wireless USB device driver in\nthe Linux kernel did not properly validate device metadata. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2019-15099)\n\nIt was discovered that the HSA Linux kernel driver for AMD GPU devices did\nnot properly check for errors in certain situations, leading to a NULL\npointer dereference. A local attacker could possibly use this to cause a\ndenial of service. (CVE-2019-16229)\n\nIt was discovered that the Marvell 8xxx Libertas WLAN device driver in the\nLinux kernel did not properly check for errors in certain situations,\nleading to a NULL pointer dereference. A local attacker could possibly use\nthis to cause a denial of service. (CVE-2019-16232)\n\nIt was discovered that a race condition existed in the Virtual Video Test\nDriver in the Linux kernel. An attacker with write access to /dev/video0 on\na system with the vivid module loaded could possibly use this to gain\nadministrative privileges. (CVE-2019-18683)\n\nIt was discovered that the Renesas Digital Radio Interface (DRIF) driver in\nthe Linux kernel did not properly initialize data. A local attacker could\npossibly use this to expose sensitive information (kernel memory).\n(CVE-2019-18786)\n\nIt was discovered that the Sound Open Firmware (SOF) driver in the Linux\nkernel did not properly deallocate memory in certain error conditions. A\nlocal attacker could use this to cause a denial of service (kernel memory\nexhaustion). (CVE-2019-18811)\n\nIt was discovered that the crypto subsystem in the Linux kernel did not\nproperly deallocate memory in certain error conditions. A local attacker\ncould use this to cause a denial of service (kernel memory exhaustion).\n(CVE-2019-19050, CVE-2019-19062)\n\nIt was discovered that multiple memory leaks existed in the Marvell WiFi-Ex\nDriver for the Linux kernel. A local attacker could possibly use this to\ncause a denial of service (kernel memory exhaustion). (CVE-2019-19057)\n\nIt was discovered that the Realtek rtlwifi USB device driver in the Linux\nkernel did not properly deallocate memory in certain error conditions. A\nlocal attacker could possibly use this to cause a denial of service (kernel\nmemory exhaustion). (CVE-2019-19063)\n\nIt was discovered that the RSI 91x WLAN device driver in the Linux kernel\ndid not properly deallocate memory in certain error conditions. A local\nattacker could use this to cause a denial of service (kernel memory\nexhaustion). (CVE-2019-19071)\n\nIt was discovered that the Broadcom Netxtreme HCA device driver in the\nLinux kernel did not properly deallocate memory in certain error\nconditions. A local attacker could possibly use this to cause a denial of\nservice (kernel memory exhaustion). (CVE-2019-19077)\n\nIt was discovered that the Atheros 802.11ac wireless USB device driver in\nthe Linux kernel did not properly deallocate memory in certain error\nconditions. A local attacker could possibly use this to cause a denial of\nservice (kernel memory exhaustion). (CVE-2019-19078)\n\nIt was discovered that the AMD GPU device drivers in the Linux kernel did\nnot properly deallocate memory in certain error conditions. A local\nattacker could use this to possibly cause a denial of service (kernel\nmemory exhaustion). (CVE-2019-19082)\n\nIt was discovered that the IO uring implementation in the Linux kernel did\nnot properly perform credentials checks in certain situations. A local\nattacker could possibly use this to gain administrative privileges.\n(CVE-2019-19241)\n\nOr Cohen discovered that the virtual console subsystem in the Linux kernel\ndid not properly restrict writes to unimplemented vcsu (unicode) devices. A\nlocal attacker could possibly use this to cause a denial of service (system\ncrash) or have other unspecified impacts. (CVE-2019-19252)\n\nIt was discovered that the KVM hypervisor implementation in the Linux\nkernel did not properly handle ioctl requests to get emulated CPUID\nfeatures. An attacker with access to /dev/kvm could use this to cause a\ndenial of service (system crash). (CVE-2019-19332)\n\nIt was discovered that a race condition existed in the Linux kernel on x86\nplatforms when keeping track of which process was assigned control of the\nFPU. A local attacker could use this to cause a denial of service (memory\ncorruption) or possibly gain administrative privileges. (CVE-2019-19602)\n\nIt was discovered that the ext4 file system implementation in the Linux\nkernel did not properly handle certain conditions. An attacker could use\nthis to specially craft an ext4 file system that, when mounted, could cause\na denial of service (system crash) or possibly execute arbitrary code.\n(CVE-2019-19767)\n\nIt was discovered that the Kvaser CAN/USB driver in the Linux kernel did\nnot properly initialize memory in certain situations. A local attacker\ncould possibly use this to expose sensitive information (kernel memory).\n(CVE-2019-19947)\n\nGao Chuan discovered that the SAS Class driver in the Linux kernel\ncontained a race condition that could lead to a NULL pointer dereference. A\nlocal attacker could possibly use this to cause a denial of service (system\ncrash). (CVE-2019-19965)\n\nIt was discovered that the B2C2 FlexCop USB device driver in the Linux\nkernel did not properly validate device metadata. A physically proximate\nattacker could use this to cause a denial of service (system crash).\n(CVE-2019-15291)\n","status":"published","published":"2020-02-19T08:33:45Z","modified":"2026-09-07T14:06:04.028310553Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}