mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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29 lines
3.2 KiB
JSON
29 lines
3.2 KiB
JSON
{
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"id": "CVE-2023-53765",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-12-08T02:15:52.420",
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"lastModified": "2025-12-08T18:26:19.900",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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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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"metrics": {},
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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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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/95ab80a8a0fef2ce0cc494a306dd283948066ce7",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/ed56ad5cacb7a3aeb611494d5d66e2399d2bfecc",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |