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CVE-2026-90202

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in 3361709fb6f6568b157c6f24ed21a4a5d86d73db; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in 240b582b6372bebb1245d911add9954b7dd6c02d; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in a61181f9ee30a98d2350c1bff32954a7521f9a23; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in afedf35df054bd713e9e13771aa0a056932c5c67; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in bc3398db3b64729b4a7907af317daad04795ad40; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in 2dbdd025b228110ccbfbab95fe16e098313a14af; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in e2cd23443d3616ea0876f27762b17e2ec67d896c; From dbec4c9040edc15442c3ebdb65408aa9d3b82c24 · fixed in b9f679dfe629004b593f018df33b330d799bcee4

  • Linux Linux

    4.16

  • KernelLinux

    From 4.16.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 8

git.kernel.org