# scsi: qla2xxx: Clamp MSI-X derived queue counts to avoid truncation

CVE record · `CVE-2026-89856`

- **Identifiers:** `CVE-2026-89856`
- **State:** Confirmed
- **Severity:** CVSS 8.4 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:31 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: `d74595278f4ab192af66d9e60a9087464638beee to before cf623d32761b00f221a9cfded3303d56e84b429d` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before 9eeddbeaa896f39d943644b16d83a6ad0ceab255` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before 802068b9b683b8008fcccbf6e9ad133e597ec87c` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before e80adfeac61b4d5db7ffe0f5af43999c33a4145e` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before 2efe50b2da829909023de4a2eb87badb7cfa53cc` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before 7a448f5ed0b283dbde4e9183dd1e98c221432dab` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before 33c77254e6e91f37c72c7fad4051777452b10de8` (git)
  - affected: `d74595278f4ab192af66d9e60a9087464638beee to before ebfd35c64433821bd5619a6d07ccc2df8b5b1de3` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.10`
  - unaffected: `before 4.10` (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: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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

- 8.4 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 8th percentile, on 14 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89856](https://www.cve.org/CVERecord?id=CVE-2026-89856)
- [NVD: CVE-2026-89856](https://nvd.nist.gov/vuln/detail/CVE-2026-89856)

### References from the CNA

- <https://git.kernel.org/stable/c/cf623d32761b00f221a9cfded3303d56e84b429d>
- <https://git.kernel.org/stable/c/9eeddbeaa896f39d943644b16d83a6ad0ceab255>
- <https://git.kernel.org/stable/c/802068b9b683b8008fcccbf6e9ad133e597ec87c>
- <https://git.kernel.org/stable/c/e80adfeac61b4d5db7ffe0f5af43999c33a4145e>
- <https://git.kernel.org/stable/c/2efe50b2da829909023de4a2eb87badb7cfa53cc>
- <https://git.kernel.org/stable/c/7a448f5ed0b283dbde4e9183dd1e98c221432dab>
- <https://git.kernel.org/stable/c/33c77254e6e91f37c72c7fad4051777452b10de8>
- <https://git.kernel.org/stable/c/ebfd35c64433821bd5619a6d07ccc2df8b5b1de3>

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-2026-89856>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89856/>. Everything for agents: <https://agentprime.io/llms.txt>.