# drm/xe: Fix shrinker accounting double-subtraction on nested external pins

CVE record · `CVE-2026-99000`

- **Identifiers:** `CVE-2026-99000`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 23 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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: `00c8efc3180f0cf919b53980e969430657e01685 to before 993c952e6832ad0aa4be82e11f0760b1f532090a` (git)
  - affected: `00c8efc3180f0cf919b53980e969430657e01685 to before ab39bc55cf08208b8511b1c09926b1b646a8befc` (git)
  - affected: `00c8efc3180f0cf919b53980e969430657e01685 to before 83d5acca1f4f6132038ea88c72c5844f62e42d44` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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:** 0.0018, the 7th percentile, on 6 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99000](https://www.cve.org/CVERecord?id=CVE-2026-99000)
- [NVD: CVE-2026-99000](https://nvd.nist.gov/vuln/detail/CVE-2026-99000)

### References from the CNA

- <https://git.kernel.org/stable/c/993c952e6832ad0aa4be82e11f0760b1f532090a>
- <https://git.kernel.org/stable/c/ab39bc55cf08208b8511b1c09926b1b646a8befc>
- <https://git.kernel.org/stable/c/83d5acca1f4f6132038ea88c72c5844f62e42d44>

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-2026-99000>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99000/>. Everything for agents: <https://agentprime.io/llms.txt>.