{"id":"CVE-2021-47005","aliases":["DEBIAN-CVE-2021-47005","EUVD-2021-33653","GHSA-43jg-wxfj-4rf7","SUSE-SU-2024:0856-1","SUSE-SU-2024:0857-1","SUSE-SU-2024:0926-1","UBUNTU-CVE-2021-47005"],"status":"published","title":"PCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00236,"percentile":0.14601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2024-02-28T08:13:25Z","modified":"2026-11-06T13:49:16Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["5.10.38-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["5.10.38-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["5.10.38-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.38-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.38-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.38-1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux 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https://www.suse.com/security/cve/CVE-2023-46343","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-51042","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52429","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52443","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52445","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52448","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52449","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52451","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52463","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52475","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52478","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52482","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52502","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52530","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52531","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52532","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52569","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52574","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52597","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-52605","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-6817","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-0340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-0607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-1151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23849","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23851","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26585","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26586","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26589","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26593","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26595","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26602","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26622","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2024/suse-su-20240857-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1220689","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2024/suse-su-20240926-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1221287","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-47005","tags":["report"]},{"url":"https://git.kernel.org/linus/6613bc2301ba291a1c5a90e1dc24cf3edf223c03","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-47005","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-47005","title":"PCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T08:13:25.933Z","modified":"2026-05-11T13:46:06.962Z","updated_at":"2026-11-02T14:32:56.308189Z"}],"euvd":[{"id":"EUVD-2021-33653","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T08:13:25Z","modified":"2026-05-11T13:46:06Z","updated_at":"2026-11-02T19:05:13.283161Z"}],"ghsa":[{"id":"GHSA-43jg-wxfj-4rf7","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL...","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T09:30:37Z","modified":"2024-12-09T18:31:18Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:59:05.809648Z"}],"nvd":[{"id":"CVE-2021-47005","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T09:15:38.403Z","modified":"2026-06-17T04:16:09.16Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:08.163458Z"}],"osv":[{"id":"CVE-2021-47005","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T09:15:38.403Z","modified":"2026-03-15T22:43:04.7355Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:22.18434Z"},{"id":"DEBIAN-CVE-2021-47005","description":"In the Linux kernel, the following vulnerability has been resolved:  PCI: endpoint: Fix NULL pointer dereference for -\u003eget_features()  get_features ops of pci_epc_ops may return NULL, causing NULL pointer dereference in pci_epf_test_alloc_space function. Let us add a check for pci_epc_feature pointer in pci_epf_test_bind before we access it to avoid any such NULL pointer dereference and return -ENOTSUPP in case pci_epc_feature is not found.  When the patch is not applied and EPC features is not implemented in the platform driver, we see the following dump due to kernel NULL pointer dereference.  Call trace:  pci_epf_test_bind+0xf4/0x388  pci_epf_bind+0x3c/0x80  pci_epc_epf_link+0xa8/0xcc  configfs_symlink+0x1a4/0x48c  vfs_symlink+0x104/0x184  do_symlinkat+0x80/0xd4  __arm64_sys_symlinkat+0x1c/0x24  el0_svc_common.constprop.3+0xb8/0x170  el0_svc_handler+0x70/0x88  el0_svc+0x8/0x640 Code: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400) ---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T09:15:38.403Z","modified":"2026-10-23T18:04:17.775795074Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:36.081807Z"},{"id":"UBUNTU-CVE-2021-47005","description":"In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix NULL pointer dereference for -\u003eget_features() get_features ops of pci_epc_ops may return NULL, causing NULL pointer dereference in pci_epf_test_alloc_space function. Let us add a check for pci_epc_feature pointer in pci_epf_test_bind before we access it to avoid any such NULL pointer dereference and return -ENOTSUPP in case pci_epc_feature is not found. When the patch is not applied and EPC features is not implemented in the platform driver, we see the following dump due to kernel NULL pointer dereference. Call trace:  pci_epf_test_bind+0xf4/0x388  pci_epf_bind+0x3c/0x80  pci_epc_epf_link+0xa8/0xcc  configfs_symlink+0x1a4/0x48c  vfs_symlink+0x104/0x184  do_symlinkat+0x80/0xd4  __arm64_sys_symlinkat+0x1c/0x24  el0_svc_common.constprop.3+0xb8/0x170  el0_svc_handler+0x70/0x88  el0_svc+0x8/0x640 Code: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400) ---[ end trace a438e3c5a24f9df0 ]---","status":"published","published":"2024-02-28T09:15:00Z","modified":"2026-11-06T13:49:16.0877575Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T14:21:59.615664Z"},{"id":"SUSE-SU-2024:0856-1","title":"Security update for the Linux Kernel","description":"\nThe SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2021-47078: Fixed a bug by clearing all QP fields if creation failed (bsc#1220863)\n- CVE-2021-47076: Fixed a bug by returning CQE error if invalid lkey was supplied (bsc#1220860)\n- CVE-2023-52605: Fixed a NULL pointer dereference check (bsc#1221039)\n- CVE-2023-28746: Fixed Register File Data Sampling (bsc#1213456).\n- CVE-2023-52502: Fixed a race condition in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() (bsc#1220831).\n- CVE-2023-52569: Fixed a bug in btrfs by remoning BUG() after failure to insert delayed dir index item (bsc#1220918).\n- CVE-2023-52482: Fixed a bug by adding SRSO mitigation for Hygon processors (bsc#1220735).\n- CVE-2023-52597: Fixed a setting of fpc register in KVM (bsc#1221040).\n- CVE-2022-48627: Fixed a memory overlapping when deleting chars in the buffer (bsc#1220845).\n- CVE-2023-52574: Fixed a bug by hiding new member header_ops (bsc#1220870).\n- CVE-2021-46934: Fixed a bug by validating user data in compat ioctl (bsc#1220469).\n- CVE-2023-35827: Fixed a use-after-free issue in ravb_tx_timeout_work() (bsc#1212514).\n- CVE-2023-52532: Fixed a bug in TX CQE error handling (bsc#1220932).\n- CVE-2023-52530: Fixed a potential key use-after-free in wifi mac80211 (bsc#1220930).\n- CVE-2023-52531: Fixed a memory corruption issue in iwlwifi (bsc#1220931).\n- CVE-2021-47083: Fixed a global-out-of-bounds issue in mediatek: (bsc#1220917).\n- CVE-2024-26607: Fixed a probing race issue in sii902x: (bsc#1220736).\n- CVE-2024-26589: Fixed out of bounds read due to variable offset alu on PTR_TO_FLOW_KEYS (bsc#1220255).\n- CVE-2021-47005: Fixed a NULL pointer dereference for -\u003eget_features() (bsc#1220660).\n- CVE-2024-26585: Fixed race between tx work scheduling and socket close  (bsc#1220187).\n- CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219295).\n- CVE-2024-0607: Fixed 64-bit load issue in  nft_byteorder_eval() (bsc#1218915).\n- CVE-2021-47060: Fixed a bug in KVM by stop looking for coalesced MMIO zones if the bus is destroyed (bsc#1220742).\n- CVE-2023-6817: Fixed use-after-free in nft_pipapo_walk (bsc#1218195).\n- CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220825).\n- CVE-2023-52451: Fixed access beyond end of drmem array  (bsc#1220250).\n- CVE-2021-46932: Fixed missing work initialization before device registration (bsc#1220444)\n- CVE-2023-52463: Fixed null pointer dereference in efivarfs (bsc#1220328).\n- CVE-2021-47012: Fixed a use after free in siw_alloc_mr (bsc#1220627).\n- CVE-2023-52449: Fixed gluebi NULL pointer dereference caused by ftl notifier  (bsc#1220238).\n- CVE-2023-52475: Fixed use-after-free in powermate_config_complete (bsc#1220649)\n- CVE-2023-52478: Fixed kernel crash on receiver USB disconnect (bsc#1220796)\n- CVE-2021-46989: Fixed a bug by preventing corruption in shrinking truncate in hfsplus (bsc#1220737).\n- CVE-2021-46915: Fixed a bug to avoid possible divide error in nft_limit_init (bsc#1220436).\n- CVE-2021-46924: Fixed fix memory leak in device probe and remove (bsc#1220459)\n- CVE-2019-25162: Fixed a potential use after free (bsc#1220409).\n- CVE-2020-36784: Fixed reference leak when pm_runtime_get_sync fails (bsc#1220570).\n- CVE-2021-47061: Fixed a bug in KVM by destroy I/O bus devices on unregister failure _after_  sync'ing SRCU (bsc#1220745).\n- CVE-2023-52445: Fixed use after free on context disconnection (bsc#1220241).\n- CVE-2023-46343: Fixed a NULL pointer dereference in send_acknowledge() (CVE-2023-46343).\n- CVE-2023-52439: Fixed use-after-free in uio_open (bsc#1220140).\n- CVE-2023-52443: Fixed crash when parsed profile name is empty  (bsc#1220240).\n- CVE-2024-26602: Fixed overall slowdowns with sys_membarrier (bsc1220398).\n- CVE-2024-26593: Fixed block process call transactions (bsc#1220009).\n- CVE-2021-47013: Fixed a use after free in emac_mac_tx_buf_send (bsc#1220641).\n- CVE-2024-26586: Fixed stack corruption (bsc#1220243).\n- CVE-2024-26595: Fixed NULL pointer dereference in  error path (bsc#1220344).\n- CVE-2023-52448: Fixed kernel NULL pointer dereference in gfs2_rgrp_dump  (bsc#1220253).\n- CVE-2024-1151: Fixed unlimited number of recursions from action  sets (bsc#1219835).\n- CVE-2024-23849: Fixed array-index-out-of-bounds in rds_cmsg_recv  (bsc#1219127).\n- CVE-2024-0340: Fixed information disclosure in vhost/vhost.c:vhost_new_msg() (bsc#1218689).\n- CVE-2023-51042: Fixed use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (bsc#1219128).\n\nThe following non-security bugs were fixed:\n\n- EDAC/thunderx: Fix possible out-of-bounds string access (bsc#1220330)\n- ext4: fix deadlock due to mbcache entry corruption (bsc#1207653 bsc#1219915).\n- ibmvfc: make 'max_sectors' a module option (bsc#1216223).\n- KVM: Destroy target device if coalesced MMIO unregistration fails (git-fixes).\n- KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio (git-fixes).\n- KVM: VMX: Move VERW closer to VMentry for MDS mitigation (git-fixes).\n- KVM: VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH (git-fixes).\n- KVM: x86: add support for CPUID leaf 0x80000021 (git-fixes).\n- KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code (git-fixes).\n- KVM: x86: synthesize CPUID leaf 0x80000021h if useful (git-fixes).\n- KVM: x86: work around QEMU issue with synthetic CPUID leaves (git-fixes).\n- mbcache: Fixup kABI of mb_cache_entry (bsc#1207653 bsc#1219915).\n- scsi: Update max_hw_sectors on rescan (bsc#1216223).\n- x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix (git-fixes).\n- x86/bugs: Add asm helpers for executing VERW (git-fixes).\n- x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key (git-fixes).\n- x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf (git-fixes).\n- x86/entry_32: Add VERW just before userspace transition (git-fixes).\n- x86/entry_64: Add VERW just before userspace transition (git-fixes).\n","status":"published","published":"2024-03-13T00:04:28Z","modified":"2025-05-02T04:30:12.998825Z","updated_at":"2026-11-02T15:53:54.239786Z"},{"id":"SUSE-SU-2024:0857-1","title":"Security update for the Linux Kernel","description":"\nThe SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2023-28746: Fixed Register File Data Sampling (bsc#1213456).\n- CVE-2023-52502: Fixed a race condition in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() (bsc#1220831).\n- CVE-2024-26589: Fixed out of bounds read due to variable offset alu on PTR_TO_FLOW_KEYS (bsc#1220255).\n- CVE-2024-26585: Fixed race between tx work scheduling and socket close  (bsc#1220187).\n- CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219295).\n- CVE-2024-0607: Fixed 64-bit load issue in  nft_byteorder_eval() (bsc#1218915).\n- CVE-2023-6817: Fixed use-after-free in nft_pipapo_walk (bsc#1218195).\n- CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220825).\n- CVE-2023-52451: Fixed access beyond end of drmem array  (bsc#1220250).\n- CVE-2021-46932: Fixed missing work initialization before device registration (bsc#1220444)\n- CVE-2023-52463: Fixed null pointer dereference in efivarfs (bsc#1220328).\n- CVE-2023-52449: Fixed gluebi NULL pointer dereference caused by ftl notifier  (bsc#1220238).\n- CVE-2023-52475: Fixed use-after-free in powermate_config_complete (bsc#1220649)\n- CVE-2023-52478: Fixed kernel crash on receiver USB disconnect (bsc#1220796)\n- CVE-2021-46915: Fixed a bug to avoid possible divide error in nft_limit_init (bsc#1220436).\n- CVE-2021-46924: Fixed fix memory leak in device probe and remove (bsc#1220459)\n- CVE-2019-25162: Fixed a potential use after free (bsc#1220409).\n- CVE-2020-36784: Fixed reference leak when pm_runtime_get_sync fails (bsc#1220570).\n- CVE-2023-52445: Fixed use after free on context disconnection (bsc#1220241).\n- CVE-2023-46343: Fixed a NULL pointer dereference in send_acknowledge() (CVE-2023-46343).\n- CVE-2023-52439: Fixed use-after-free in uio_open (bsc#1220140).\n- CVE-2023-52443: Fixed crash when parsed profile name is empty  (bsc#1220240).\n- CVE-2024-26602: Fixed overall slowdowns with sys_membarrier (bsc1220398).\n- CVE-2024-26593: Fixed block process call transactions (bsc#1220009).\n- CVE-2021-47013: Fixed a use after free in emac_mac_tx_buf_send (bsc#1220641).\n- CVE-2024-26586: Fixed stack corruption (bsc#1220243).\n- CVE-2024-26595: Fixed NULL pointer dereference in  error path (bsc#1220344).\n- CVE-2023-52448: Fixed kernel NULL pointer dereference in gfs2_rgrp_dump  (bsc#1220253).\n- CVE-2024-1151: Fixed unlimited number of recursions from action  sets (bsc#1219835).\n- CVE-2024-23849: Fixed array-index-out-of-bounds in rds_cmsg_recv  (bsc#1219127).\n- CVE-2024-0340: Fixed information disclosure in vhost/vhost.c:vhost_new_msg() (bsc#1218689).\n- CVE-2023-51042: Fixed use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (bsc#1219128).\n- CVE-2021-47078: Fixed a bug by clearing all QP fields if creation failed (bsc#1220863)\n- CVE-2021-47076: Fixed a bug by returning CQE error if invalid lkey was supplied (bsc#1220860)\n- CVE-2023-52605: Fixed a NULL pointer dereference check (bsc#1221039)\n- CVE-2023-52569: Fixed a bug in btrfs by remoning BUG() after failure to insert delayed dir index item (bsc#1220918).\n- CVE-2023-52482: Fixex a bug by adding SRSO mitigation for Hygon processors (bsc#1220735).\n- CVE-2023-52597: Fixed a setting of fpc register in KVM (bsc#1221040).\n- CVE-2022-48627: Fixed a memory overlapping when deleting chars in the buffer (bsc#1220845).\n- CVE-2023-52574: Fixed a bug by hiding new member header_ops (bsc#1220870).\n- CVE-2021-46934: Fixed a bug by validating user data in compat ioctl (bsc#1220469).\n- CVE-2023-35827: Fixed a use-after-free issue in ravb_tx_timeout_work() (bsc#1212514).\n- CVE-2023-52532: Fixed a bug in TX CQE error handling (bsc#1220932).\n- CVE-2023-52530: Fixed a potential key use-after-free in wifi mac80211 (bsc#1220930).\n- CVE-2023-52531: Fixed a memory corruption issue in iwlwifi (bsc#1220931).\n- CVE-2021-47083: Fixed a global-out-of-bounds issue in mediatek: (bsc#1220917).\n- CVE-2024-26607: Fixed a probing race issue in sii902x: (bsc#1220736).\n- CVE-2021-47005: Fixed a NULL pointer dereference for -\u003eget_features() (bsc#1220660).\n- CVE-2021-47060: Fixed a bug in KVM by stop looking for coalesced MMIO zones if the bus is destroyed (bsc#1220742).\n- CVE-2021-47012: Fixed a use after free in siw_alloc_mr (bsc#1220627).\n- CVE-2021-46989: Fixed a bug by preventing corruption in shrinking truncate in hfsplus (bsc#1220737).\n- CVE-2021-47061: Fixed a bug in KVM by destroy I/O bus devices on unregister failure _after_  sync'ing SRCU (bsc#1220745).\n\nThe following non-security bugs were fixed:\n\n- EDAC/thunderx: Fix possible out-of-bounds string access (bsc#1220330)\n- ext4: fix deadlock due to mbcache entry corruption (bsc#1207653 bsc#1219915).\n- ibmvfc: make 'max_sectors' a module option (bsc#1216223).\n- KVM: Destroy target device if coalesced MMIO unregistration fails (git-fixes).\n- KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio (git-fixes).\n- KVM: VMX: Move VERW closer to VMentry for MDS mitigation (git-fixes).\n- KVM: VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH (git-fixes).\n- KVM: x86: add support for CPUID leaf 0x80000021 (git-fixes).\n- KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code (git-fixes).\n- KVM: x86: synthesize CPUID leaf 0x80000021h if useful (git-fixes).\n- KVM: x86: work around QEMU issue with synthetic CPUID leaves (git-fixes).\n- mbcache: Fixup kABI of mb_cache_entry (bsc#1207653 bsc#1219915).\n- scsi: Update max_hw_sectors on rescan (bsc#1216223).\n- x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix (git-fixes).\n- x86/bugs: Add asm helpers for executing VERW (git-fixes).\n- x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key (git-fixes). Also add the removed mds_user_clear symbol to kABI severities as it is exposed just for KVM module and is generally a core kernel component so removing it is low risk.\n- x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf (git-fixes).\n- x86/entry_32: Add VERW just before userspace transition (git-fixes).\n- x86/entry_64: Add VERW just before userspace transition (git-fixes).\n","status":"published","published":"2024-03-13T00:08:00Z","modified":"2025-05-02T04:30:13.066618Z","updated_at":"2026-11-02T15:53:54.239786Z"},{"id":"SUSE-SU-2024:0926-1","title":"Security update for the Linux Kernel","description":"\nThe SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2021-47078: Fixed a bug by clearing all QP fields if creation failed (bsc#1220863)\n- CVE-2021-47076: Fixed a bug by returning CQE error if invalid lkey was supplied (bsc#1220860)\n- CVE-2023-52605: Fixed a NULL pointer dereference check (bsc#1221039)\n- CVE-2023-28746: Fixed Register File Data Sampling (bsc#1213456).\n- CVE-2023-52502: Fixed a race condition in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() (bsc#1220831).\n- CVE-2023-52569: Fixed a bug in btrfs by remoning BUG() after failure to insert delayed dir index item (bsc#1220918).\n- CVE-2023-52482: Fixed a bug by adding SRSO mitigation for Hygon processors (bsc#1220735).\n- CVE-2023-52597: Fixed a setting of fpc register in KVM (bsc#1221040).\n- CVE-2022-48627: Fixed a memory overlapping when deleting chars in the buffer (bsc#1220845).\n- CVE-2023-52574: Fixed a bug by hiding new member header_ops (bsc#1220870).\n- CVE-2021-46934: Fixed a bug by validating user data in compat ioctl (bsc#1220469).\n- CVE-2023-35827: Fixed a use-after-free issue in ravb_tx_timeout_work() (bsc#1212514).\n- CVE-2023-52532: Fixed a bug in TX CQE error handling (bsc#1220932).\n- CVE-2023-52530: Fixed a potential key use-after-free in wifi mac80211 (bsc#1220930).\n- CVE-2023-52531: Fixed a memory corruption issue in iwlwifi (bsc#1220931).\n- CVE-2021-47083: Fixed a global-out-of-bounds issue in mediatek: (bsc#1220917).\n- CVE-2024-26607: Fixed a probing race issue in sii902x: (bsc#1220736).\n- CVE-2024-26589: Fixed out of bounds read due to variable offset alu on PTR_TO_FLOW_KEYS (bsc#1220255).\n- CVE-2021-47005: Fixed a NULL pointer dereference for -\u003eget_features() (bsc#1220660).\n- CVE-2024-26585: Fixed race between tx work scheduling and socket close  (bsc#1220187).\n- CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219295).\n- CVE-2024-0607: Fixed 64-bit load issue in  nft_byteorder_eval() (bsc#1218915).\n- CVE-2021-47060: Fixed a bug in KVM by stop looking for coalesced MMIO zones if the bus is destroyed (bsc#1220742).\n- CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220825).\n- CVE-2023-52451: Fixed access beyond end of drmem array  (bsc#1220250).\n- CVE-2021-46932: Fixed missing work initialization before device registration (bsc#1220444)\n- CVE-2023-52463: Fixed null pointer dereference in efivarfs (bsc#1220328).\n- CVE-2021-47012: Fixed a use after free in siw_alloc_mr (bsc#1220627).\n- CVE-2023-52449: Fixed gluebi NULL pointer dereference caused by ftl notifier  (bsc#1220238).\n- CVE-2023-52475: Fixed use-after-free in powermate_config_complete (bsc#1220649)\n- CVE-2023-52478: Fixed kernel crash on receiver USB disconnect (bsc#1220796)\n- CVE-2021-46989: Fixed a bug by preventing corruption in shrinking truncate in hfsplus (bsc#1220737).\n- CVE-2021-46915: Fixed a bug to avoid possible divide error in nft_limit_init (bsc#1220436).\n- CVE-2021-46924: Fixed fix memory leak in device probe and remove (bsc#1220459)\n- CVE-2019-25162: Fixed a potential use after free (bsc#1220409).\n- CVE-2020-36784: Fixed reference leak when pm_runtime_get_sync fails (bsc#1220570).\n- CVE-2021-47061: Fixed a bug in KVM by destroy I/O bus devices on unregister failure _after_  sync'ing SRCU (bsc#1220745).\n- CVE-2023-52445: Fixed use after free on context disconnection (bsc#1220241).\n- CVE-2023-46343: Fixed a NULL pointer dereference in send_acknowledge() (CVE-2023-46343).\n- CVE-2023-52439: Fixed use-after-free in uio_open (bsc#1220140).\n- CVE-2023-52443: Fixed crash when parsed profile name is empty  (bsc#1220240).\n- CVE-2024-26602: Fixed overall slowdowns with sys_membarrier (bsc1220398).\n- CVE-2024-26593: Fixed block process call transactions (bsc#1220009).\n- CVE-2021-47013: Fixed a use after free in emac_mac_tx_buf_send (bsc#1220641).\n- CVE-2024-26586: Fixed stack corruption (bsc#1220243).\n- CVE-2024-26595: Fixed NULL pointer dereference in  error path (bsc#1220344).\n- CVE-2023-52448: Fixed kernel NULL pointer dereference in gfs2_rgrp_dump  (bsc#1220253).\n- CVE-2024-1151: Fixed unlimited number of recursions from action  sets (bsc#1219835).\n- CVE-2024-23849: Fixed array-index-out-of-bounds in rds_cmsg_recv  (bsc#1219127).\n- CVE-2024-0340: Fixed information disclosure in vhost/vhost.c:vhost_new_msg() (bsc#1218689).\n- CVE-2023-51042: Fixed use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (bsc#1219128).\n\nThe following non-security bugs were fixed:\n\n- EDAC/thunderx: Fix possible out-of-bounds string access (bsc#1220330)\n- KVM: Destroy target device if coalesced MMIO unregistration fails (git-fixes).\n- KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio (git-fixes).\n- KVM: VMX: Move VERW closer to VMentry for MDS mitigation (git-fixes).\n- KVM: VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH (git-fixes).\n- KVM: x86: add support for CPUID leaf 0x80000021 (git-fixes).\n- KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code (git-fixes).\n- KVM: x86: synthesize CPUID leaf 0x80000021h if useful (git-fixes).\n- KVM: x86: work around QEMU issue with synthetic CPUID leaves (git-fixes).\n- x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix (git-fixes).\n- x86/bugs: Add asm helpers for executing VERW (git-fixes).\n- x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key (git-fixes).\n- x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf (git-fixes).\n- x86/entry_32: Add VERW just before userspace transition (git-fixes).\n- x86/entry_64: Add VERW just before userspace transition (git-fixes).\n","status":"published","published":"2024-03-18T14:07:16Z","modified":"2026-02-04T04:11:41.369688Z","updated_at":"2026-11-02T15:53:54.239786Z"}]}}