CVE-2026-90202 - Vulnerability Details

- scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

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.

Published: 2026-09-17

Score: n/a

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< 3361709fb6f6568b157c6f24ed21a4a5d86d73db
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< 240b582b6372bebb1245d911add9954b7dd6c02d
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< a61181f9ee30a98d2350c1bff32954a7521f9a23
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< afedf35df054bd713e9e13771aa0a056932c5c67
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< bc3398db3b64729b4a7907af317daad04795ad40
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< 2dbdd025b228110ccbfbab95fe16e098313a14af
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< e2cd23443d3616ea0876f27762b17e2ec67d896c
`dbec4c9040edc15442c3ebdb65408aa9d3b82c24`	affected	< b9f679dfe629004b593f018df33b330d799bcee4

Linux

affected

Version	Status	Constraints
`4.16`	affected	—
`0`	unaffected	< 4.16
`5.10.270`	unaffected	≤ 5.10.*
`5.15.221`	unaffected	≤ 5.15.*
`6.1.188`	unaffected	≤ 6.1.*
`6.6.157`	unaffected	≤ 6.6.*
`6.12.110`	unaffected	≤ 6.12.*
`6.18.52`	unaffected	≤ 6.18.*
`7.2.6`	unaffected	≤ 7.2.*
`7.3-rc1`	unaffected	≤ *

No data.

Vendor Product Confidence Versions

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,3361709fb6f6568b157c6f24ed21a4a5d86d73db)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,240b582b6372bebb1245d911add9954b7dd6c02d)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,a61181f9ee30a98d2350c1bff32954a7521f9a23)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,afedf35df054bd713e9e13771aa0a056932c5c67)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,bc3398db3b64729b4a7907af317daad04795ad40)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,2dbdd025b228110ccbfbab95fe16e098313a14af)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,e2cd23443d3616ea0876f27762b17e2ec67d896c)`	affected	code_commit	—
`[dbec4c9040edc15442c3ebdb65408aa9d3b82c24,b9f679dfe629004b593f018df33b330d799bcee4)`	affected	code_commit	—

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`4.16`	affected	generic	—
`[0,4.16)`	unaffected	generic	—
`[5.10.270,5.11.0)`	unaffected	semver	—
`[5.15.221,5.16.0)`	unaffected	semver	—
`[6.1.188,6.2.0)`	unaffected	semver	—
`[6.6.157,6.7.0)`	unaffected	semver	—
`[6.12.110,6.13.0)`	unaffected	semver	—
`[6.18.52,6.19.0)`	unaffected	semver	—
`[7.2.6,7.3.0)`	unaffected	semver	—
`[7.3-rc1,*]`	unaffected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0021.

Key SSVC decision points have not yet been added.

References

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

History

Sun, 20 Sep 2026 01:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-476

Thu, 17 Sep 2026 16:30:00 +0000

Type	Values Removed	Values Added
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.
Title		scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23 https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67 https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4 https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40 https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-09-17T16:07:19.514Z

Updated: 2026-09-17T16:07:19.514Z

Reserved: 2026-09-11T19:38:34.792Z

Link: CVE-2026-90202

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-17T17:17:15.180

Modified: 2026-09-17T17:17:15.180

Link: CVE-2026-90202

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-20T01:30:16Z

Weaknesses

CWE-476
NULL Pointer Dereference

Tracking

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