# cxl/features: Reject Get Feature count larger than the output buffer

CVE record · `CVE-2026-93079`

- **Identifiers:** `CVE-2026-93079`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **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, 16:11 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: `5908f3ed6dc209e5c824e63afda7545805f75a7e to before 3f02031a0a53de0d3ef066c92d0486b2b11be40c` (git)
  - affected: `5908f3ed6dc209e5c824e63afda7545805f75a7e to before 329ea475581c647a680a6937e353c1a6e2534b40` (git)
  - affected: `5908f3ed6dc209e5c824e63afda7545805f75a7e to before 4bf6bac375076ced2fa4b3fef8739bd985f93456` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93079](https://www.cve.org/CVERecord?id=CVE-2026-93079)
- [NVD: CVE-2026-93079](https://nvd.nist.gov/vuln/detail/CVE-2026-93079)

### References from the CNA

- <https://git.kernel.org/stable/c/3f02031a0a53de0d3ef066c92d0486b2b11be40c>
- <https://git.kernel.org/stable/c/329ea475581c647a680a6937e353c1a6e2534b40>
- <https://git.kernel.org/stable/c/4bf6bac375076ced2fa4b3fef8739bd985f93456>

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-2026-93079>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93079/>. Everything for agents: <https://agentprime.io/llms.txt>.