# ring-buffer: Do not show buffer_meta for CPUs without a buffer

CVE record · `CVE-2026-99160`

- **Identifiers:** `CVE-2026-99160`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 28 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:35 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: `950032ffcee7a43c960951940059afc5a2bdbcbc to before 445bc0e0ed7b3f69b78a0fd8d3a8fdb4e20bc379` (git)
  - affected: `950032ffcee7a43c960951940059afc5a2bdbcbc to before 8512d0312cc0ea83ca4511b164c29a138bbb0c21` (git)
  - affected: `950032ffcee7a43c960951940059afc5a2bdbcbc to before ae670c1a24fb5ffb167f26358cf47a5f0abbd670` (git)
  - affected: `950032ffcee7a43c960951940059afc5a2bdbcbc to before 3f23cae09a4677a3f7c163a68388512cb231ff22` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.12`
  - unaffected: `before 6.12` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.59 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.13 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:** 0.0017, the 6th percentile, on 5 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 28 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99160](https://www.cve.org/CVERecord?id=CVE-2026-99160)
- [NVD: CVE-2026-99160](https://nvd.nist.gov/vuln/detail/CVE-2026-99160)

### References from the CNA

- <https://git.kernel.org/stable/c/445bc0e0ed7b3f69b78a0fd8d3a8fdb4e20bc379>
- <https://git.kernel.org/stable/c/8512d0312cc0ea83ca4511b164c29a138bbb0c21>
- <https://git.kernel.org/stable/c/ae670c1a24fb5ffb167f26358cf47a5f0abbd670>
- <https://git.kernel.org/stable/c/3f23cae09a4677a3f7c163a68388512cb231ff22>

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-2026-99160>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-99160/>. Everything for agents: <https://agentprime.io/llms.txt>.