{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99132","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.394Z","datePublished":"2026-10-28T10:34:45.756Z","dateUpdated":"2026-10-30T12:42:05.352Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-30T12:42:05.352Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf\n\nxfs_sync_sb_buf() holds sb/rtsb buffer locks across a synchronous\nxfs_trans_commit(), which flushes the CIL push workqueue internally.\nIf shutdown occurs during the CIL push, xfs_buf_item_unpin() needs to\nlock these buffers to fail them, causing a deadlock:\n\n  setlabel:          holds buf lock -> flush_workqueue(xfs-cil)\n  CIL push worker:   xfs_buf_item_unpin -> xfs_buf_lock(same buf)\n\nRemove the xfs_trans_bhold() calls so that commit releases the buffer\nlocks normally.  After the sync commit, re-acquire the buffers via\nmp->m_sb_bp / mp->m_rtsb_bp for the on-disk writeback."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/libxfs/xfs_rtgroup.h","fs/xfs/libxfs/xfs_sb.c"],"versions":[{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"16468281da17263095bd1906cf2d16a972f10791","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"45f124f3902bfae6a366d124db04f707264176fb","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"d900946853c2d183fa0e199bae9ddbcd21795a18","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"83b2e511cf9ba22904b167e00fcbd85169b50b2c","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"acd7f2f9b822b6e126f3e3c99c173e62aa315b6f","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"e5456dec79c71c8ef8f9f9adb77d320f113b34db","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"6353e5cd8c43d6e805cacbfbfecf4103571a7ff8","status":"affected","versionType":"git"},{"version":"f7664b31975bd893190708e76b2c424328f0c49b","lessThan":"41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/libxfs/xfs_rtgroup.h","fs/xfs/libxfs/xfs_sb.c"],"versions":[{"version":"4.18","status":"affected"},{"version":"0","lessThan":"4.18","status":"unaffected","versionType":"semver"},{"version":"5.10.273","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.224","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.191","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.161","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.115","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.59","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.13","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","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":"4.18","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.12.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.18.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.2.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/16468281da17263095bd1906cf2d16a972f10791"},{"url":"https://git.kernel.org/stable/c/45f124f3902bfae6a366d124db04f707264176fb"},{"url":"https://git.kernel.org/stable/c/d900946853c2d183fa0e199bae9ddbcd21795a18"},{"url":"https://git.kernel.org/stable/c/83b2e511cf9ba22904b167e00fcbd85169b50b2c"},{"url":"https://git.kernel.org/stable/c/acd7f2f9b822b6e126f3e3c99c173e62aa315b6f"},{"url":"https://git.kernel.org/stable/c/e5456dec79c71c8ef8f9f9adb77d320f113b34db"},{"url":"https://git.kernel.org/stable/c/6353e5cd8c43d6e805cacbfbfecf4103571a7ff8"},{"url":"https://git.kernel.org/stable/c/41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff"}],"title":"xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf","x_generator":{"engine":"bippy-1.2.0"}}}}