{"id":"CVE-2026-90202","state":"PUBLISHED","title":"scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers\n\n_base_release_memory_pools() unconditionally frees every\nioc->pcie_sg_lookup[] entry, including ones the setup loop never\nallocated after a partial failure, causing a \"bad dma\" warning on debug\nkernels or a NULL pointer dereference otherwise.","publishedAt":"2026-09-17T16:07:19.514Z","updatedAt":"2026-10-19T08:59:38.353Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"3361709fb6f6568b157c6f24ed21a4a5d86d73db","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"240b582b6372bebb1245d911add9954b7dd6c02d","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"a61181f9ee30a98d2350c1bff32954a7521f9a23","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"afedf35df054bd713e9e13771aa0a056932c5c67","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"bc3398db3b64729b4a7907af317daad04795ad40","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"2dbdd025b228110ccbfbab95fe16e098313a14af","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"e2cd23443d3616ea0876f27762b17e2ec67d896c","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"b9f679dfe629004b593f018df33b330d799bcee4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mpt3sas/mpt3sas_base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","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":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/mpt3sas/mpt3sas_base.c"]}],"references":["https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db","https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d","https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23","https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67","https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40","https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af","https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c","https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90202.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90202","state":"PUBLISHED","datePublished":"2026-09-17T16:07:19.514Z","dateUpdated":"2026-10-19T08:59:38.353Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.792Z"},"containers":{"cna":{"title":"scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers\n\n_base_release_memory_pools() unconditionally frees every\nioc->pcie_sg_lookup[] entry, including ones the setup loop never\nallocated after a partial failure, causing a \"bad dma\" warning on debug\nkernels or a NULL pointer dereference otherwise."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"3361709fb6f6568b157c6f24ed21a4a5d86d73db","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"240b582b6372bebb1245d911add9954b7dd6c02d","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"a61181f9ee30a98d2350c1bff32954a7521f9a23","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"afedf35df054bd713e9e13771aa0a056932c5c67","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"bc3398db3b64729b4a7907af317daad04795ad40","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"2dbdd025b228110ccbfbab95fe16e098313a14af","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"e2cd23443d3616ea0876f27762b17e2ec67d896c","versionType":"git"},{"version":"dbec4c9040edc15442c3ebdb65408aa9d3b82c24","status":"affected","lessThan":"b9f679dfe629004b593f018df33b330d799bcee4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/mpt3sas/mpt3sas_base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","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":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/mpt3sas/mpt3sas_base.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db"},{"url":"https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d"},{"url":"https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23"},{"url":"https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67"},{"url":"https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40"},{"url":"https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af"},{"url":"https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c"},{"url":"https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:59:38.353Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}