{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53329", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-16T16:08:59.564Z", "datePublished": "2025-09-16T16:12:05.196Z", "dateUpdated": "2025-09-16T16:12:05.196Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-16T16:12:05.196Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nworkqueue: fix data race with the pwq->stats[] increment\n\nKCSAN has discovered a data race in kernel/workqueue.c:2598:\n\n[ 1863.554079] ==================================================================\n[ 1863.554118] BUG: KCSAN: data-race in process_one_work / process_one_work\n\n[ 1863.554142] write to 0xffff963d99d79998 of 8 bytes by task 5394 on cpu 27:\n[ 1863.554154] process_one_work (kernel/workqueue.c:2598)\n[ 1863.554166] worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2752)\n[ 1863.554177] kthread (kernel/kthread.c:389)\n[ 1863.554186] ret_from_fork (arch/x86/kernel/process.c:145)\n[ 1863.554197] ret_from_fork_asm (arch/x86/entry/entry_64.S:312)\n\n[ 1863.554213] read to 0xffff963d99d79998 of 8 bytes by task 5450 on cpu 12:\n[ 1863.554224] process_one_work (kernel/workqueue.c:2598)\n[ 1863.554235] worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2752)\n[ 1863.554247] kthread (kernel/kthread.c:389)\n[ 1863.554255] ret_from_fork (arch/x86/kernel/process.c:145)\n[ 1863.554266] ret_from_fork_asm (arch/x86/entry/entry_64.S:312)\n\n[ 1863.554280] value changed: 0x0000000000001766 -> 0x000000000000176a\n\n[ 1863.554295] Reported by Kernel Concurrency Sanitizer on:\n[ 1863.554303] CPU: 12 PID: 5450 Comm: kworker/u64:1 Tainted: G L 6.5.0-rc6+ #44\n[ 1863.554314] Hardware name: ASRock X670E PG Lightning/X670E PG Lightning, BIOS 1.21 04/26/2023\n[ 1863.554322] Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]\n[ 1863.554941] ==================================================================\n\n lockdep_invariant_state(true);\n\u2192 pwq->stats[PWQ_STAT_STARTED]++;\n trace_workqueue_execute_start(work);\n worker->current_func(work);\n\nMoving pwq->stats[PWQ_STAT_STARTED]++; before the line\n\n raw_spin_unlock_irq(&pool->lock);\n\nresolves the data race without performance penalty.\n\nKCSAN detected at least one additional data race:\n\n[ 157.834751] ==================================================================\n[ 157.834770] BUG: KCSAN: data-race in process_one_work / process_one_work\n\n[ 157.834793] write to 0xffff9934453f77a0 of 8 bytes by task 468 on cpu 29:\n[ 157.834804] process_one_work (/home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2606)\n[ 157.834815] worker_thread (/home/marvin/linux/kernel/linux_torvalds/./include/linux/list.h:292 /home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2752)\n[ 157.834826] kthread (/home/marvin/linux/kernel/linux_torvalds/kernel/kthread.c:389)\n[ 157.834834] ret_from_fork (/home/marvin/linux/kernel/linux_torvalds/arch/x86/kernel/process.c:145)\n[ 157.834845] ret_from_fork_asm (/home/marvin/linux/kernel/linux_torvalds/arch/x86/entry/entry_64.S:312)\n\n[ 157.834859] read to 0xffff9934453f77a0 of 8 bytes by task 214 on cpu 7:\n[ 157.834868] process_one_work (/home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2606)\n[ 157.834879] worker_thread (/home/marvin/linux/kernel/linux_torvalds/./include/linux/list.h:292 /home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2752)\n[ 157.834890] kthread (/home/marvin/linux/kernel/linux_torvalds/kernel/kthread.c:389)\n[ 157.834897] ret_from_fork (/home/marvin/linux/kernel/linux_torvalds/arch/x86/kernel/process.c:145)\n[ 157.834907] ret_from_fork_asm (/home/marvin/linux/kernel/linux_torvalds/arch/x86/entry/entry_64.S:312)\n\n[ 157.834920] value changed: 0x000000000000052a -> 0x0000000000000532\n\n[ 157.834933] Reported by Kernel Concurrency Sanitizer on:\n[ 157.834941] CPU: 7 PID: 214 Comm: kworker/u64:2 Tainted: G L 6.5.0-rc7-kcsan-00169-g81eaf55a60fc #4\n[ 157.834951] Hardware name: ASRock X670E PG Lightning/X670E PG Lightning, BIOS 1.21 04/26/2023\n[ 157.834958] Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]\n[ 157.835567] ==================================================================\n\nin code:\n\n trace_workqueue_execute_end(work, worker->current_func);\n\u2192 pwq->stats[PWQ_STAT_COM\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/workqueue.c"], "versions": [{"version": "725e8ec59c56c65fb92e343c10a8842cd0d4f194", "lessThan": "ce55024f28589b0012fa2c6b5748ec5a180b7fbe", "status": "affected", "versionType": "git"}, {"version": "725e8ec59c56c65fb92e343c10a8842cd0d4f194", "lessThan": "fe48ba7daefe75bbbefa2426deddc05f2d530d2d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/workqueue.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ce55024f28589b0012fa2c6b5748ec5a180b7fbe"}, {"url": "https://git.kernel.org/stable/c/fe48ba7daefe75bbbefa2426deddc05f2d530d2d"}], "title": "workqueue: fix data race with the pwq->stats[] increment", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nworkqueue: fix data race with the pwq->stats[] increment\n\nKCSAN has discovered a data race in kernel/workqueue.c:2598:\n\n[ 1863.554079] ==================================================================\n[ 1863.554118] BUG: KCSAN: data-race in process_one_work / process_one_work\n\n[ 1863.554142] write to 0xffff963d99d79998 of 8 bytes by task 5394 on cpu 27:\n[ 1863.554154] process_one_work (kernel/workqueue.c:2598)\n[ 1863.554166] worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2752)\n[ 1863.554177] kthread (kernel/kthread.c:389)\n[ 1863.554186] ret_from_fork (arch/x86/kernel/process.c:145)\n[ 1863.554197] ret_from_fork_asm (arch/x86/entry/entry_64.S:312)\n\n[ 1863.554213] read to 0xffff963d99d79998 of 8 bytes by task 5450 on cpu 12:\n[ 1863.554224] process_one_work (kernel/workqueue.c:2598)\n[ 1863.554235] worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2752)\n[ 1863.554247] kthread (kernel/kthread.c:389)\n[ 1863.554255] ret_from_fork (arch/x86/kernel/process.c:145)\n[ 1863.554266] ret_from_fork_asm (arch/x86/entry/entry_64.S:312)\n\n[ 1863.554280] value changed: 0x0000000000001766 -> 0x000000000000176a\n\n[ 1863.554295] Reported by Kernel Concurrency Sanitizer on:\n[ 1863.554303] CPU: 12 PID: 5450 Comm: kworker/u64:1 Tainted: G L 6.5.0-rc6+ #44\n[ 1863.554314] Hardware name: ASRock X670E PG Lightning/X670E PG Lightning, BIOS 1.21 04/26/2023\n[ 1863.554322] Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]\n[ 1863.554941] ==================================================================\n\n lockdep_invariant_state(true);\n\u2192 pwq->stats[PWQ_STAT_STARTED]++;\n trace_workqueue_execute_start(work);\n worker->current_func(work);\n\nMoving pwq->stats[PWQ_STAT_STARTED]++; before the line\n\n raw_spin_unlock_irq(&pool->lock);\n\nresolves the data race without performance penalty.\n\nKCSAN detected at least one additional data race:\n\n[ 157.834751] ==================================================================\n[ 157.834770] BUG: KCSAN: data-race in process_one_work / process_one_work\n\n[ 157.834793] write to 0xffff9934453f77a0 of 8 bytes by task 468 on cpu 29:\n[ 157.834804] process_one_work (/home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2606)\n[ 157.834815] worker_thread (/home/marvin/linux/kernel/linux_torvalds/./include/linux/list.h:292 /home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2752)\n[ 157.834826] kthread (/home/marvin/linux/kernel/linux_torvalds/kernel/kthread.c:389)\n[ 157.834834] ret_from_fork (/home/marvin/linux/kernel/linux_torvalds/arch/x86/kernel/process.c:145)\n[ 157.834845] ret_from_fork_asm (/home/marvin/linux/kernel/linux_torvalds/arch/x86/entry/entry_64.S:312)\n\n[ 157.834859] read to 0xffff9934453f77a0 of 8 bytes by task 214 on cpu 7:\n[ 157.834868] process_one_work (/home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2606)\n[ 157.834879] worker_thread (/home/marvin/linux/kernel/linux_torvalds/./include/linux/list.h:292 /home/marvin/linux/kernel/linux_torvalds/kernel/workqueue.c:2752)\n[ 157.834890] kthread (/home/marvin/linux/kernel/linux_torvalds/kernel/kthread.c:389)\n[ 157.834897] ret_from_fork (/home/marvin/linux/kernel/linux_torvalds/arch/x86/kernel/process.c:145)\n[ 157.834907] ret_from_fork_asm (/home/marvin/linux/kernel/linux_torvalds/arch/x86/entry/entry_64.S:312)\n\n[ 157.834920] value changed: 0x000000000000052a -> 0x0000000000000532\n\n[ 157.834933] Reported by Kernel Concurrency Sanitizer on:\n[ 157.834941] CPU: 7 PID: 214 Comm: kworker/u64:2 Tainted: G L 6.5.0-rc7-kcsan-00169-g81eaf55a60fc #4\n[ 157.834951] Hardware name: ASRock X670E PG Lightning/X670E PG Lightning, BIOS 1.21 04/26/2023\n[ 157.834958] Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]\n[ 157.835567] ==================================================================\n\nin code:\n\n trace_workqueue_execute_end(work, worker->current_func);\n\u2192 pwq->stats[PWQ_STAT_COM\n---truncated---"}], "id": "CVE-2023-53329", "lastModified": "2025-09-16T17:15:39.207", "metrics": {}, "published": "2025-09-16T17:15:39.207", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce55024f28589b0012fa2c6b5748ec5a180b7fbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe48ba7daefe75bbbefa2426deddc05f2d530d2d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}