scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98088
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:38 UTC
Updated2026-09-25 11:17:38 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues() dev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose device-to-node affinity. Passing -1 directly into cpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds array read caught by UBSAN: UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28 index -1 is out of range for type 'cpumask *[1024]' Fall back to cpu_online_mask when no NUMA node is available, rather than assuming dev_to_node() always returns a valid node index.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 728bbc6cbff70051813730fb7977f5d99d867e12 0a5f7cdb0cb911584720591069065f09c59ec4fc git Not specified
CNA Linux Linux affected 728bbc6cbff70051813730fb7977f5d99d867e12 7b23144c3ff6e46d7d4a464b02f8944265684e39 git Not specified
CNA Linux Linux affected 728bbc6cbff70051813730fb7977f5d99d867e12 45504e621b7e884abe59f201e093a3eac7fca7fe git Not specified
CNA Linux Linux affected 728bbc6cbff70051813730fb7977f5d99d867e12 e0d26fe176a8db6ccad4ab38c5bab29391c1946b git Not specified
CNA Linux Linux affected 5.3 Not specified
CNA Linux Linux unaffected 5.3 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e0d26fe176a8db6ccad4ab38c5bab29391c1946b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/45504e621b7e884abe59f201e093a3eac7fca7fe 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7b23144c3ff6e46d7d4a464b02f8944265684e39 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0a5f7cdb0cb911584720591069065f09c59ec4fc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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