{"id":"CVE-2026-89853","state":"PUBLISHED","title":"scsi: qla2xxx: Fix FCE trace use-after-free during firmware dump","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha->fce while holding only\nfce_mutex. The firmware-dump consumers qla27xx_fwdt_entry_t264() and\nqla25xx_copy_fce() read ha->fce (NULL check followed by a copy of the\nbuffer) under hardware_lock and never take fce_mutex. A debugfs FCE\ndisable could therefore free the DMA buffer between a dump's NULL check\nand its copy, resulting in a use-after-free.\n\nUnpublish ha->fce under hardware_lock, then release the lock and free\nthe DMA buffer (dma_free_coherent() may sleep). A concurrent dump either\ncompletes its check and copy with the buffer still valid, or observes\nha->fce == NULL and skips it.","publishedAt":"2026-09-16T10:31:27.008Z","updatedAt":"2026-10-19T08:53:46.098Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5a789494875376d1f8063ec5ecc6beafda2ce1","status":"affected","lessThan":"423487f03e325b8665d20a2a3171fe012b1a4fa9","versionType":"git"},{"version":"73d3d3c66f108bc47922490f8500842530139975","status":"affected","lessThan":"7bd308cd893e8cce023d03a40a2f0adccaff0175","versionType":"git"},{"version":"57c029cab0d908942e3ed9ff9fd0361144d01944","status":"affected","lessThan":"edc464a4fc96e2720d166e7cc7e7a6827b086760","versionType":"git"},{"version":"217230bc8796a922d5b15a9a94ec4414b2d2b3e3","status":"affected","lessThan":"6003e79148eca73d7cafb076f5be47e234d543d0","versionType":"git"},{"version":"2cf3c3fe9a11aa168e80c966494c58548b9aed5d","status":"affected","lessThan":"ef9b89f6c92274c3670403fd06130ca25f685050","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"8e7a26931b6111583cfeaf49c068f26524dc3af2","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"41ef7edde27ac87d55ffc703da44e78aa8c2e896","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"53298efcbbb0f0438366d45cb7ed7e6d93dd5531","versionType":"git"},{"version":"a89872a61b914378591f16e428dd221c5e2059b2","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.270","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.221","versionType":"semver"},{"version":"6.1.129","status":"affected","lessThan":"6.1.188","versionType":"semver"},{"version":"6.6.78","status":"affected","lessThan":"6.6.157","versionType":"semver"},{"version":"6.12.14","status":"affected","lessThan":"6.12.110","versionType":"semver"},{"version":"6.13.3","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]}],"references":["https://git.kernel.org/stable/c/423487f03e325b8665d20a2a3171fe012b1a4fa9","https://git.kernel.org/stable/c/7bd308cd893e8cce023d03a40a2f0adccaff0175","https://git.kernel.org/stable/c/edc464a4fc96e2720d166e7cc7e7a6827b086760","https://git.kernel.org/stable/c/6003e79148eca73d7cafb076f5be47e234d543d0","https://git.kernel.org/stable/c/ef9b89f6c92274c3670403fd06130ca25f685050","https://git.kernel.org/stable/c/8e7a26931b6111583cfeaf49c068f26524dc3af2","https://git.kernel.org/stable/c/41ef7edde27ac87d55ffc703da44e78aa8c2e896","https://git.kernel.org/stable/c/53298efcbbb0f0438366d45cb7ed7e6d93dd5531"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89853.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89853","state":"PUBLISHED","datePublished":"2026-09-16T10:31:27.008Z","dateUpdated":"2026-10-19T08:53:46.098Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.770Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Fix FCE trace use-after-free during firmware dump","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha->fce while holding only\nfce_mutex. The firmware-dump consumers qla27xx_fwdt_entry_t264() and\nqla25xx_copy_fce() read ha->fce (NULL check followed by a copy of the\nbuffer) under hardware_lock and never take fce_mutex. A debugfs FCE\ndisable could therefore free the DMA buffer between a dump's NULL check\nand its copy, resulting in a use-after-free.\n\nUnpublish ha->fce under hardware_lock, then release the lock and free\nthe DMA buffer (dma_free_coherent() may sleep). A concurrent dump either\ncompletes its check and copy with the buffer still valid, or observes\nha->fce == NULL and skips it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5a789494875376d1f8063ec5ecc6beafda2ce1","status":"affected","lessThan":"423487f03e325b8665d20a2a3171fe012b1a4fa9","versionType":"git"},{"version":"73d3d3c66f108bc47922490f8500842530139975","status":"affected","lessThan":"7bd308cd893e8cce023d03a40a2f0adccaff0175","versionType":"git"},{"version":"57c029cab0d908942e3ed9ff9fd0361144d01944","status":"affected","lessThan":"edc464a4fc96e2720d166e7cc7e7a6827b086760","versionType":"git"},{"version":"217230bc8796a922d5b15a9a94ec4414b2d2b3e3","status":"affected","lessThan":"6003e79148eca73d7cafb076f5be47e234d543d0","versionType":"git"},{"version":"2cf3c3fe9a11aa168e80c966494c58548b9aed5d","status":"affected","lessThan":"ef9b89f6c92274c3670403fd06130ca25f685050","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"8e7a26931b6111583cfeaf49c068f26524dc3af2","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"41ef7edde27ac87d55ffc703da44e78aa8c2e896","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"53298efcbbb0f0438366d45cb7ed7e6d93dd5531","versionType":"git"},{"version":"a89872a61b914378591f16e428dd221c5e2059b2","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.270","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.221","versionType":"semver"},{"version":"6.1.129","status":"affected","lessThan":"6.1.188","versionType":"semver"},{"version":"6.6.78","status":"affected","lessThan":"6.6.157","versionType":"semver"},{"version":"6.12.14","status":"affected","lessThan":"6.12.110","versionType":"semver"},{"version":"6.13.3","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_init.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/423487f03e325b8665d20a2a3171fe012b1a4fa9"},{"url":"https://git.kernel.org/stable/c/7bd308cd893e8cce023d03a40a2f0adccaff0175"},{"url":"https://git.kernel.org/stable/c/edc464a4fc96e2720d166e7cc7e7a6827b086760"},{"url":"https://git.kernel.org/stable/c/6003e79148eca73d7cafb076f5be47e234d543d0"},{"url":"https://git.kernel.org/stable/c/ef9b89f6c92274c3670403fd06130ca25f685050"},{"url":"https://git.kernel.org/stable/c/8e7a26931b6111583cfeaf49c068f26524dc3af2"},{"url":"https://git.kernel.org/stable/c/41ef7edde27ac87d55ffc703da44e78aa8c2e896"},{"url":"https://git.kernel.org/stable/c/53298efcbbb0f0438366d45cb7ed7e6d93dd5531"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:53:46.098Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.235","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.179","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.129","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.78","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.14","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.2.5"},{"vulnera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