{"id":"CVE-2026-46051","state":"PUBLISHED","title":"md/raid5: fix soft lockup in retry_aligned_read()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: fix soft lockup in retry_aligned_read()\n\nWhen retry_aligned_read() encounters an overlapped stripe, it releases\nthe stripe via raid5_release_stripe() which puts it on the lockless\nreleased_stripes llist. In the next raid5d loop iteration,\nrelease_stripe_list() drains the stripe onto handle_list (since\nSTRIPE_HANDLE is set by the original IO), but retry_aligned_read()\nruns before handle_active_stripes() and removes the stripe from\nhandle_list via find_get_stripe() -> list_del_init(). This prevents\nhandle_stripe() from ever processing the stripe to resolve the\noverlap, causing an infinite loop and soft lockup.\n\nFix this by using __release_stripe() with temp_inactive_list instead\nof raid5_release_stripe() in the failure path, so the stripe does not\ngo through the released_stripes llist. This allows raid5d to break out\nof its loop, and the overlap will be resolved when the stripe is\neventually processed by handle_stripe().","publishedAt":"2026-05-27T12:57:09.274Z","updatedAt":"2026-10-15T01:20:15.806Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"66df9f30673db66ac35145820a8e24906069ae57","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"4166d5234fe8b6c3c7f796a6c198605356c5b355","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"a9055300e07d9d6800264d3c2560e1d0144689ca","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"09880592f5a9dc73377d6eb5ac123537b5f8df49","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"80fc6ca2cbde018d52e13f305edcd643911bd94b","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"1985cb3247e87ff6b8ca4bc5f9626f4f51024507","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"883cc33b7af1c448663287f069ef9dfea001e90f","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"7f9f7c697474268d9ef9479df3ddfe7cdcfbbffc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"]}],"references":["https://git.kernel.org/stable/c/66df9f30673db66ac35145820a8e24906069ae57","https://git.kernel.org/stable/c/4166d5234fe8b6c3c7f796a6c198605356c5b355","https://git.kernel.org/stable/c/a9055300e07d9d6800264d3c2560e1d0144689ca","https://git.kernel.org/stable/c/09880592f5a9dc73377d6eb5ac123537b5f8df49","https://git.kernel.org/stable/c/80fc6ca2cbde018d52e13f305edcd643911bd94b","https://git.kernel.org/stable/c/1985cb3247e87ff6b8ca4bc5f9626f4f51024507","https://git.kernel.org/stable/c/883cc33b7af1c448663287f069ef9dfea001e90f","https://git.kernel.org/stable/c/7f9f7c697474268d9ef9479df3ddfe7cdcfbbffc","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46051.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46051","state":"PUBLISHED","datePublished":"2026-05-27T12:57:09.274Z","dateUpdated":"2026-10-15T01:20:15.806Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.094Z"},"containers":{"cna":{"title":"md/raid5: fix soft lockup in retry_aligned_read()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: fix soft lockup in retry_aligned_read()\n\nWhen retry_aligned_read() encounters an overlapped stripe, it releases\nthe stripe via raid5_release_stripe() which puts it on the lockless\nreleased_stripes llist. In the next raid5d loop iteration,\nrelease_stripe_list() drains the stripe onto handle_list (since\nSTRIPE_HANDLE is set by the original IO), but retry_aligned_read()\nruns before handle_active_stripes() and removes the stripe from\nhandle_list via find_get_stripe() -> list_del_init(). This prevents\nhandle_stripe() from ever processing the stripe to resolve the\noverlap, causing an infinite loop and soft lockup.\n\nFix this by using __release_stripe() with temp_inactive_list instead\nof raid5_release_stripe() in the failure path, so the stripe does not\ngo through the released_stripes llist. This allows raid5d to break out\nof its loop, and the overlap will be resolved when the stripe is\neventually processed by handle_stripe()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"66df9f30673db66ac35145820a8e24906069ae57","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"4166d5234fe8b6c3c7f796a6c198605356c5b355","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"a9055300e07d9d6800264d3c2560e1d0144689ca","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"09880592f5a9dc73377d6eb5ac123537b5f8df49","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"80fc6ca2cbde018d52e13f305edcd643911bd94b","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"1985cb3247e87ff6b8ca4bc5f9626f4f51024507","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"883cc33b7af1c448663287f069ef9dfea001e90f","versionType":"git"},{"version":"773ca82fa1ee58dd1bf88b6a5ca385ec83a2cac6","status":"affected","lessThan":"7f9f7c697474268d9ef9479df3ddfe7cdcfbbffc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/66df9f30673db66ac35145820a8e24906069ae57"},{"url":"https://git.kernel.org/stable/c/4166d5234fe8b6c3c7f796a6c198605356c5b355"},{"url":"https://git.kernel.org/stable/c/a9055300e07d9d6800264d3c2560e1d0144689ca"},{"url":"https://git.kernel.org/stable/c/09880592f5a9dc73377d6eb5ac123537b5f8df49"},{"url":"https://git.kernel.org/stable/c/80fc6ca2cbde018d52e13f305edcd643911bd94b"},{"url":"https://git.kernel.org/stable/c/1985cb3247e87ff6b8ca4bc5f9626f4f51024507"},{"url":"https://git.kernel.org/stable/c/883cc33b7af1c448663287f069ef9dfea001e90f"},{"url":"https://git.kernel.org/stable/c/7f9f7c697474268d9ef9479df3ddfe7cdcfbbffc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:50:46.976Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - 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