{"id":"CVE-2026-98088","state":"PUBLISHED","title":"scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()\n\ndev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA\ntopology information for the PCI device, such as single-socket boards\nthat don't expose device-to-node affinity. Passing -1 directly into\ncpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds\narray read caught by UBSAN:\n\n  UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28\n  index -1 is out of range for type 'cpumask *[1024]'\n\nFall back to cpu_online_mask when no NUMA node is available, rather than\nassuming dev_to_node() always returns a valid node index.","publishedAt":"2026-09-25T10:24:22.278Z","updatedAt":"2026-10-19T09:13:40.407Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"f531758ef21ba9a7716148cc290e8d9a110f20d9","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"06a994ad7bbd13714cd45df582389f751531e60c","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"7bcce856c79c1799351e170aec83e018ccf3d044","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"0a5f7cdb0cb911584720591069065f09c59ec4fc","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"7b23144c3ff6e46d7d4a464b02f8944265684e39","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"45504e621b7e884abe59f201e093a3eac7fca7fe","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"e0d26fe176a8db6ccad4ab38c5bab29391c1946b","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":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","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/f531758ef21ba9a7716148cc290e8d9a110f20d9","https://git.kernel.org/stable/c/06a994ad7bbd13714cd45df582389f751531e60c","https://git.kernel.org/stable/c/7bcce856c79c1799351e170aec83e018ccf3d044","https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc","https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39","https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe","https://git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98088.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98088","state":"PUBLISHED","datePublished":"2026-09-25T10:24:22.278Z","dateUpdated":"2026-10-19T09:13:40.407Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:19:56.075Z"},"containers":{"cna":{"title":"scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()\n\ndev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA\ntopology information for the PCI device, such as single-socket boards\nthat don't expose device-to-node affinity. Passing -1 directly into\ncpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds\narray read caught by UBSAN:\n\n  UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28\n  index -1 is out of range for type 'cpumask *[1024]'\n\nFall back to cpu_online_mask when no NUMA node is available, rather than\nassuming dev_to_node() always returns a valid node index."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"f531758ef21ba9a7716148cc290e8d9a110f20d9","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"06a994ad7bbd13714cd45df582389f751531e60c","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"7bcce856c79c1799351e170aec83e018ccf3d044","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"0a5f7cdb0cb911584720591069065f09c59ec4fc","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"7b23144c3ff6e46d7d4a464b02f8944265684e39","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"45504e621b7e884abe59f201e093a3eac7fca7fe","versionType":"git"},{"version":"728bbc6cbff70051813730fb7977f5d99d867e12","status":"affected","lessThan":"e0d26fe176a8db6ccad4ab38c5bab29391c1946b","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":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","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/f531758ef21ba9a7716148cc290e8d9a110f20d9"},{"url":"https://git.kernel.org/stable/c/06a994ad7bbd13714cd45df582389f751531e60c"},{"url":"https://git.kernel.org/stable/c/7bcce856c79c1799351e170aec83e018ccf3d044"},{"url":"https://git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc"},{"url":"https://git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39"},{"url":"https://git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe"},{"url":"https://git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:13:40.407Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}