143 lines
8.2 KiB
JSON
143 lines
8.2 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-53765",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-12-08T01:18:04.281Z",
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"datePublished": "2025-12-08T01:19:27.831Z",
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"dateUpdated": "2026-05-11T19:51:15.067Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T19:51:15.067Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: free background tracker's queued work in btracker_destroy\n\nOtherwise the kernel can BUG with:\n\n[ 2245.426978] =============================================================================\n[ 2245.435155] BUG bt_work (Tainted: G B W ): Objects remaining in bt_work on __kmem_cache_shutdown()\n[ 2245.445233] -----------------------------------------------------------------------------\n[ 2245.445233]\n[ 2245.454879] Slab 0x00000000b0ce2b30 objects=64 used=2 fp=0x000000000a3c6a4e flags=0x17ffffc0000200(slab|node=0|zone=2|lastcpupid=0x1fffff)\n[ 2245.467300] CPU: 7 PID: 10805 Comm: lvm Kdump: loaded Tainted: G B W 6.0.0-rc2 #19\n[ 2245.476078] Hardware name: Dell Inc. PowerEdge R7525/0590KW, BIOS 2.5.6 10/06/2021\n[ 2245.483646] Call Trace:\n[ 2245.486100] <TASK>\n[ 2245.488206] dump_stack_lvl+0x34/0x48\n[ 2245.491878] slab_err+0x95/0xcd\n[ 2245.495028] __kmem_cache_shutdown.cold+0x31/0x136\n[ 2245.499821] kmem_cache_destroy+0x49/0x130\n[ 2245.503928] btracker_destroy+0x12/0x20 [dm_cache]\n[ 2245.508728] smq_destroy+0x15/0x60 [dm_cache_smq]\n[ 2245.513435] dm_cache_policy_destroy+0x12/0x20 [dm_cache]\n[ 2245.518834] destroy+0xc0/0x110 [dm_cache]\n[ 2245.522933] dm_table_destroy+0x5c/0x120 [dm_mod]\n[ 2245.527649] __dm_destroy+0x10e/0x1c0 [dm_mod]\n[ 2245.532102] dev_remove+0x117/0x190 [dm_mod]\n[ 2245.536384] ctl_ioctl+0x1a2/0x290 [dm_mod]\n[ 2245.540579] dm_ctl_ioctl+0xa/0x20 [dm_mod]\n[ 2245.544773] __x64_sys_ioctl+0x8a/0xc0\n[ 2245.548524] do_syscall_64+0x5c/0x90\n[ 2245.552104] ? syscall_exit_to_user_mode+0x12/0x30\n[ 2245.556897] ? do_syscall_64+0x69/0x90\n[ 2245.560648] ? do_syscall_64+0x69/0x90\n[ 2245.564394] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 2245.569447] RIP: 0033:0x7fe52583ec6b\n...\n[ 2245.646771] ------------[ cut here ]------------\n[ 2245.651395] kmem_cache_destroy bt_work: Slab cache still has objects when called from btracker_destroy+0x12/0x20 [dm_cache]\n[ 2245.651408] WARNING: CPU: 7 PID: 10805 at mm/slab_common.c:478 kmem_cache_destroy+0x128/0x130\n\nFound using: lvm2-testsuite --only \"cache-single-split.sh\"\n\nBen bisected and found that commit 0495e337b703 (\"mm/slab_common:\nDeleting kobject in kmem_cache_destroy() without holding\nslab_mutex/cpu_hotplug_lock\") first exposed dm-cache's incomplete\ncleanup of its background tracker work objects."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/md/dm-cache-background-tracker.c"
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],
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"versions": [
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{
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"version": "b29d4986d0da1a27cd35917cdb433672f5c95d7f",
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"lessThan": "673a3af21d5e3ed769f3eaed0c888244290a3506",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b29d4986d0da1a27cd35917cdb433672f5c95d7f",
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"lessThan": "ed56ad5cacb7a3aeb611494d5d66e2399d2bfecc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b29d4986d0da1a27cd35917cdb433672f5c95d7f",
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"lessThan": "95ab80a8a0fef2ce0cc494a306dd283948066ce7",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/md/dm-cache-background-tracker.c"
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],
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"versions": [
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{
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"version": "4.12",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.12",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.16",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.2.3",
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"lessThanOrEqual": "6.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "6.1.16"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "6.2.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "6.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/673a3af21d5e3ed769f3eaed0c888244290a3506"
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},
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{
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"url": "https://git.kernel.org/stable/c/ed56ad5cacb7a3aeb611494d5d66e2399d2bfecc"
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},
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{
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"url": "https://git.kernel.org/stable/c/95ab80a8a0fef2ce0cc494a306dd283948066ce7"
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}
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],
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"title": "dm cache: free background tracker's queued work in btracker_destroy",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |