{"id":"CVE-2023-54235","state":"PUBLISHED","title":"PCI/DOE: Fix destroy_work_on_stack() race","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/DOE: Fix destroy_work_on_stack() race\n\nThe following debug object splat was observed in testing:\n\n  ODEBUG: free active (active state 0) object: 0000000097d23782 object type: work_struct hint: doe_statemachine_work+0x0/0x510\n  WARNING: CPU: 1 PID: 71 at lib/debugobjects.c:514 debug_print_object+0x7d/0xb0\n  ...\n  Workqueue: pci 0000:36:00.0 DOE [1 doe_statemachine_work\n  RIP: 0010:debug_print_object+0x7d/0xb0\n  ...\n  Call Trace:\n   ? debug_print_object+0x7d/0xb0\n   ? __pfx_doe_statemachine_work+0x10/0x10\n   debug_object_free.part.0+0x11b/0x150\n   doe_statemachine_work+0x45e/0x510\n   process_one_work+0x1d4/0x3c0\n\nThis occurs because destroy_work_on_stack() was called after signaling\nthe completion in the calling thread.  This creates a race between\ndestroy_work_on_stack() and the task->work struct going out of scope in\npci_doe().\n\nSignal the work complete after destroying the work struct.  This is safe\nbecause signal_task_complete() is the final thing the work item does and\nthe workqueue code is careful not to access the work struct after.","publishedAt":"2025-12-30T12:11:25.688Z","updatedAt":"2026-05-23T15:34:30.766Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b","status":"affected","lessThan":"d96799ee3b78962c80e4b6653734f488f999ca09","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"19cf3ba16dcc2ef059dcf010072d4f96d76486e0","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"e3a3a097eaebaf234a482b4d2f9f18fe989208c1","versionType":"git"},{"version":"95628b830952943631d3d74f73f431f501c5d6f5","status":"affected","versionType":"git"},{"version":"6.1.24","status":"affected","lessThan":"6.1.53","versionType":"semver"},{"version":"6.2.11","status":"affected","lessThan":"6.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/doe.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/doe.c"]}],"references":["https://git.kernel.org/stable/c/d96799ee3b78962c80e4b6653734f488f999ca09","https://git.kernel.org/stable/c/c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f","https://git.kernel.org/stable/c/19cf3ba16dcc2ef059dcf010072d4f96d76486e0","https://git.kernel.org/stable/c/e3a3a097eaebaf234a482b4d2f9f18fe989208c1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54235.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54235","state":"PUBLISHED","datePublished":"2025-12-30T12:11:25.688Z","dateUpdated":"2026-05-23T15:34:30.766Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.508Z"},"containers":{"cna":{"title":"PCI/DOE: Fix destroy_work_on_stack() race","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/DOE: Fix destroy_work_on_stack() race\n\nThe following debug object splat was observed in testing:\n\n  ODEBUG: free active (active state 0) object: 0000000097d23782 object type: work_struct hint: doe_statemachine_work+0x0/0x510\n  WARNING: CPU: 1 PID: 71 at lib/debugobjects.c:514 debug_print_object+0x7d/0xb0\n  ...\n  Workqueue: pci 0000:36:00.0 DOE [1 doe_statemachine_work\n  RIP: 0010:debug_print_object+0x7d/0xb0\n  ...\n  Call Trace:\n   ? debug_print_object+0x7d/0xb0\n   ? __pfx_doe_statemachine_work+0x10/0x10\n   debug_object_free.part.0+0x11b/0x150\n   doe_statemachine_work+0x45e/0x510\n   process_one_work+0x1d4/0x3c0\n\nThis occurs because destroy_work_on_stack() was called after signaling\nthe completion in the calling thread.  This creates a race between\ndestroy_work_on_stack() and the task->work struct going out of scope in\npci_doe().\n\nSignal the work complete after destroying the work struct.  This is safe\nbecause signal_task_complete() is the final thing the work item does and\nthe workqueue code is careful not to access the work struct after."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b","status":"affected","lessThan":"d96799ee3b78962c80e4b6653734f488f999ca09","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"19cf3ba16dcc2ef059dcf010072d4f96d76486e0","versionType":"git"},{"version":"abf04be0e7071f2bcd39bf97ba407e7d4439785e","status":"affected","lessThan":"e3a3a097eaebaf234a482b4d2f9f18fe989208c1","versionType":"git"},{"version":"95628b830952943631d3d74f73f431f501c5d6f5","status":"affected","versionType":"git"},{"version":"6.1.24","status":"affected","lessThan":"6.1.53","versionType":"semver"},{"version":"6.2.11","status":"affected","lessThan":"6.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/doe.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/doe.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d96799ee3b78962c80e4b6653734f488f999ca09"},{"url":"https://git.kernel.org/stable/c/c4f9c0a3a6df143f2e1092823b7fa9e07d6ab57f"},{"url":"https://git.kernel.org/stable/c/19cf3ba16dcc2ef059dcf010072d4f96d76486e0"},{"url":"https://git.kernel.org/stable/c/e3a3a097eaebaf234a482b4d2f9f18fe989208c1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:34:30.766Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.24","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}