# cipso: adjust cached option offsets when removing CIPSO

CVE record · `CVE-2026-99064`

- **Identifiers:** `CVE-2026-99064`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:23 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: `89aa3619d141d6cfb6040a561aebb6d99d3e2285 to before b965977126a90e01825814c859ba4788691eddd3` (git)
  - affected: `89aa3619d141d6cfb6040a561aebb6d99d3e2285 to before 2200fe1d6148b78e1b8f00f4b2bd47760015077f` (git)
  - affected: `89aa3619d141d6cfb6040a561aebb6d99d3e2285 to before 6e49d611a9cfbaac927b8fa80ebd4f6b1f37ada0` (git)
  - affected: `89aa3619d141d6cfb6040a561aebb6d99d3e2285 to before 6d25ffca055a77787c21a36b66c253f76239411b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.10`
  - unaffected: `before 6.10` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0052, the 44th 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-2026-99064](https://www.cve.org/CVERecord?id=CVE-2026-99064)
- [NVD: CVE-2026-99064](https://nvd.nist.gov/vuln/detail/CVE-2026-99064)

### References from the CNA

- <https://git.kernel.org/stable/c/b965977126a90e01825814c859ba4788691eddd3>
- <https://git.kernel.org/stable/c/2200fe1d6148b78e1b8f00f4b2bd47760015077f>
- <https://git.kernel.org/stable/c/6e49d611a9cfbaac927b8fa80ebd4f6b1f37ada0>
- <https://git.kernel.org/stable/c/6d25ffca055a77787c21a36b66c253f76239411b>

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-2026-99064>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99064/>. Everything for agents: <https://agentprime.io/llms.txt>.