CVE-2026-90202

medium

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.

References

https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c

https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40

https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4

https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67

https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23

https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db

https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af

https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d

Details

Source: Mitre, NVD

Published: 2026-09-17

Updated: 2026-09-17

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.0021