{"id":"CVE-2025-40001","state":"PUBLISHED","title":"scsi: mvsas: Fix use-after-free bugs in mvs_work_queue","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mvsas: Fix use-after-free bugs in mvs_work_queue\n\nDuring the detaching of Marvell's SAS/SATA controller, the original code\ncalls cancel_delayed_work() in mvs_free() to cancel the delayed work\nitem mwq->work_q. However, if mwq->work_q is already running, the\ncancel_delayed_work() may fail to cancel it. This can lead to\nuse-after-free scenarios where mvs_free() frees the mvs_info while\nmvs_work_queue() is still executing and attempts to access the\nalready-freed mvs_info.\n\nA typical race condition is illustrated below:\n\nCPU 0 (remove)            | CPU 1 (delayed work callback)\nmvs_pci_remove()          |\n  mvs_free()              | mvs_work_queue()\n    cancel_delayed_work() |\n      kfree(mvi)          |\n                          |   mvi-> // UAF\n\nReplace cancel_delayed_work() with cancel_delayed_work_sync() to ensure\nthat the delayed work item is properly canceled and any executing\ndelayed work item completes before the mvs_info is deallocated.\n\nThis bug was found by static analysis.","publishedAt":"2025-10-18T08:03:21.935Z","updatedAt":"2026-05-11T21:40:33.447Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"a6f68f219d4d4b92d7c781708d4afc4cc42961ec","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"aacd1777d4a795c387a20b9ca776e2c1225d05d7","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"6ba7e73cafd155a5d3abf560d315f0bab2b9d89f","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"c2c35cb2a31844f84f21ab364b38b4309d756d42","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"3c90f583d679c81a5a607a6ae0051251b6dee35b","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"00d3af40b158ebf7c7db2b3bbb1598a54bf28127","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"feb946d2fc9dc754bf3d594d42cd228860ff8647","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"60cd16a3b7439ccb699d0bf533799eeb894fd217","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mvsas/mv_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"5.4.301","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.195","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.157","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.113","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mvsas/mv_init.c"]}],"references":["https://git.kernel.org/stable/c/a6f68f219d4d4b92d7c781708d4afc4cc42961ec","https://git.kernel.org/stable/c/aacd1777d4a795c387a20b9ca776e2c1225d05d7","https://git.kernel.org/stable/c/6ba7e73cafd155a5d3abf560d315f0bab2b9d89f","https://git.kernel.org/stable/c/c2c35cb2a31844f84f21ab364b38b4309d756d42","https://git.kernel.org/stable/c/3c90f583d679c81a5a607a6ae0051251b6dee35b","https://git.kernel.org/stable/c/00d3af40b158ebf7c7db2b3bbb1598a54bf28127","https://git.kernel.org/stable/c/feb946d2fc9dc754bf3d594d42cd228860ff8647","https://git.kernel.org/stable/c/60cd16a3b7439ccb699d0bf533799eeb894fd217"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40001.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40001","state":"PUBLISHED","datePublished":"2025-10-18T08:03:21.935Z","dateUpdated":"2026-05-11T21:40:33.447Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.151Z"},"containers":{"cna":{"title":"scsi: mvsas: Fix use-after-free bugs in mvs_work_queue","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mvsas: Fix use-after-free bugs in mvs_work_queue\n\nDuring the detaching of Marvell's SAS/SATA controller, the original code\ncalls cancel_delayed_work() in mvs_free() to cancel the delayed work\nitem mwq->work_q. However, if mwq->work_q is already running, the\ncancel_delayed_work() may fail to cancel it. This can lead to\nuse-after-free scenarios where mvs_free() frees the mvs_info while\nmvs_work_queue() is still executing and attempts to access the\nalready-freed mvs_info.\n\nA typical race condition is illustrated below:\n\nCPU 0 (remove)            | CPU 1 (delayed work callback)\nmvs_pci_remove()          |\n  mvs_free()              | mvs_work_queue()\n    cancel_delayed_work() |\n      kfree(mvi)          |\n                          |   mvi-> // UAF\n\nReplace cancel_delayed_work() with cancel_delayed_work_sync() to ensure\nthat the delayed work item is properly canceled and any executing\ndelayed work item completes before the mvs_info is deallocated.\n\nThis bug was found by static analysis."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"a6f68f219d4d4b92d7c781708d4afc4cc42961ec","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"aacd1777d4a795c387a20b9ca776e2c1225d05d7","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"6ba7e73cafd155a5d3abf560d315f0bab2b9d89f","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"c2c35cb2a31844f84f21ab364b38b4309d756d42","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"3c90f583d679c81a5a607a6ae0051251b6dee35b","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"00d3af40b158ebf7c7db2b3bbb1598a54bf28127","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"feb946d2fc9dc754bf3d594d42cd228860ff8647","versionType":"git"},{"version":"20b09c2992fefbe78f8cede7b404fb143a413c52","status":"affected","lessThan":"60cd16a3b7439ccb699d0bf533799eeb894fd217","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mvsas/mv_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"5.4.301","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.246","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.195","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.157","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.113","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mvsas/mv_init.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a6f68f219d4d4b92d7c781708d4afc4cc42961ec"},{"url":"https://git.kernel.org/stable/c/aacd1777d4a795c387a20b9ca776e2c1225d05d7"},{"url":"https://git.kernel.org/stable/c/6ba7e73cafd155a5d3abf560d315f0bab2b9d89f"},{"url":"https://git.kernel.org/stable/c/c2c35cb2a31844f84f21ab364b38b4309d756d42"},{"url":"https://git.kernel.org/stable/c/3c90f583d679c81a5a607a6ae0051251b6dee35b"},{"url":"https://git.kernel.org/stable/c/00d3af40b158ebf7c7db2b3bbb1598a54bf28127"},{"url":"https://git.kernel.org/stable/c/feb946d2fc9dc754bf3d594d42cd228860ff8647"},{"url":"https://git.kernel.org/stable/c/60cd16a3b7439ccb699d0bf533799eeb894fd217"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:40:33.447Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.4.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.15.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.1.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.12.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}