Not yet scoredPublished Sep 17, 2026

CVE-2026-90202scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

Updated under an hour ago (Oct 27, 2026, 4:00 PM ET)

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before 3361709fb6f6568b157c6f24ed21a4a5d86d73db; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before 240b582b6372bebb1245d911add9954b7dd6c02d; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before a61181f9ee30a98d2350c1bff32954a7521f9a23; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before afedf35df054bd713e9e13771aa0a056932c5c67; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before bc3398db3b64729b4a7907af317daad04795ad40; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before 2dbdd025b228110ccbfbab95fe16e098313a14af; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before e2cd23443d3616ea0876f27762b17e2ec67d896c; from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 before b9f679dfe629004b593f018df33b330d799bcee4	CNA record

References

References

https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db
https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d
https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23
https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67
https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40
https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af
https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c
https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.