# drm/vc4: Free the BO cache size list on teardown

CVE record · `CVE-2026-98970`

- **Identifiers:** `CVE-2026-98970`
- **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:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:19 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: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before 75f89ab8cb4c9f136af790cc5df1f88d2726953a` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before 2f19ddd4bf56a057dbf17e434a3c9ea45adaf7e8` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before 27c17ca90202d2a20def0316fb9403971ac9dfa7` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before bf2848e50bd73782c2942ec023b5b60231f16e9b` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before 035ad1bc964f6698e9b06c26ffe94bcac08dadea` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before bea10b84e22efa22b005e8dba1a19df4e04a7649` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before 40870a0290cd913c9d94f98ed87ebe00dd091e53` (git)
  - affected: `c826a6e1064419f78855463cf29ce9e8b9d25bf4 to before b41ff8b529278216cba22a5dcdc93fea2a3a9619` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.5`
  - unaffected: `before 4.5` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th 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-2026-98970](https://www.cve.org/CVERecord?id=CVE-2026-98970)
- [NVD: CVE-2026-98970](https://nvd.nist.gov/vuln/detail/CVE-2026-98970)

### References from the CNA

- <https://git.kernel.org/stable/c/75f89ab8cb4c9f136af790cc5df1f88d2726953a>
- <https://git.kernel.org/stable/c/2f19ddd4bf56a057dbf17e434a3c9ea45adaf7e8>
- <https://git.kernel.org/stable/c/27c17ca90202d2a20def0316fb9403971ac9dfa7>
- <https://git.kernel.org/stable/c/bf2848e50bd73782c2942ec023b5b60231f16e9b>
- <https://git.kernel.org/stable/c/035ad1bc964f6698e9b06c26ffe94bcac08dadea>
- <https://git.kernel.org/stable/c/bea10b84e22efa22b005e8dba1a19df4e04a7649>
- <https://git.kernel.org/stable/c/40870a0290cd913c9d94f98ed87ebe00dd091e53>
- <https://git.kernel.org/stable/c/b41ff8b529278216cba22a5dcdc93fea2a3a9619>

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-2026-98970>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98970/>. Everything for agents: <https://agentprime.io/llms.txt>.