CVE-2026-90202

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

State: Published
Severity: Not scored
Published: Sep 17, 2026
Updated: Oct 19, 2026
Reserved: Sep 11, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

_base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lookup[] entry, including ones the setup loop never allocated after a partial failure, causing a "bad dma" warning on debug kernels or a NULL pointer dereference otherwise.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 3361709fb6f6568b157c6f24ed21a4a5d86d73dbAffected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 240b582b6372bebb1245d911add9954b7dd6c02dAffected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before a61181f9ee30a98d2350c1bff32954a7521f9a23Affected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before afedf35df054bd713e9e13771aa0a056932c5c67Affected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before bc3398db3b64729b4a7907af317daad04795ad40Affected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 2dbdd025b228110ccbfbab95fe16e098313a14afAffected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before e2cd23443d3616ea0876f27762b17e2ec67d896cAffected dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before b9f679dfe629004b593f018df33b330d799bcee4Affected
LinuxLinux	4.16Affected before 4.16Not affected 5.10.270 through 5.10.Not affected 5.15.221 through 5.15.Not affected 6.1.188 through 6.1.Not affected 6.6.157 through 6.6.Not affected 6.12.110 through 6.12.Not affected 6.18.52 through 6.18.Not affected 7.2.6 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 3361709fb6f6568b157c6f24ed21a4a5d86d73dbAffected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 240b582b6372bebb1245d911add9954b7dd6c02dAffected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before a61181f9ee30a98d2350c1bff32954a7521f9a23Affected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before afedf35df054bd713e9e13771aa0a056932c5c67Affected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before bc3398db3b64729b4a7907af317daad04795ad40Affected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 2dbdd025b228110ccbfbab95fe16e098313a14afAffected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before e2cd23443d3616ea0876f27762b17e2ec67d896cAffected
dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before b9f679dfe629004b593f018df33b330d799bcee4Affected

LinuxLinux

4.16Affected
before 4.16Not affected
5.10.270 through 5.10.*Not affected
5.15.221 through 5.15.*Not affected
6.1.188 through 6.1.*Not affected
6.6.157 through 6.6.*Not affected
6.12.110 through 6.12.*Not affected
6.18.52 through 6.18.*Not affected
7.2.6 through 7.2.*Not affected
7.3 and laterNot affected

References

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