# scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

CVE record · `CVE-2026-90202`

- **Identifiers:** `CVE-2026-90202`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 3361709fb6f6568b157c6f24ed21a4a5d86d73db` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 240b582b6372bebb1245d911add9954b7dd6c02d` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before a61181f9ee30a98d2350c1bff32954a7521f9a23` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before afedf35df054bd713e9e13771aa0a056932c5c67` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before bc3398db3b64729b4a7907af317daad04795ad40` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before 2dbdd025b228110ccbfbab95fe16e098313a14af` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before e2cd23443d3616ea0876f27762b17e2ec67d896c` (git)
  - affected: `dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to before b9f679dfe629004b593f018df33b330d799bcee4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.16`
  - unaffected: `before 4.16` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90202](https://www.cve.org/CVERecord?id=CVE-2026-90202)
- [NVD: CVE-2026-90202](https://nvd.nist.gov/vuln/detail/CVE-2026-90202)

### References from the CNA

- <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>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-90202>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90202/>. Everything for agents: <https://agentprime.io/llms.txt>.