# media: v4l2-ctrls: validate HEVC tile counts

CVE record · `CVE-2026-97576`

- **Identifiers:** `CVE-2026-97576`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:21 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: `256fa3920874b0f1f4cb79ad6766493a22187153 to before 9c0a718e24d4cd6d975f3df9740f968f62891a20` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before 975e0180488966bb709092a52408604bd4f4edd9` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before 724915535558b14c111ad8a498b896026dfe8d20` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before 400cd78a63cc647412cf069c9851bdea2818340c` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before c7b1ef6dc57f4e57fe27cfdd3bf82033ed91ca34` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before ba1023d3a6d5d244d59f20c4ba6af4879ae08a9f` (git)
  - affected: `256fa3920874b0f1f4cb79ad6766493a22187153 to before dc694a9929f7cb9c88ef91e45eb982b7bbe5a477` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0016, the 5th percentile, on 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97576](https://www.cve.org/CVERecord?id=CVE-2026-97576)
- [NVD: CVE-2026-97576](https://nvd.nist.gov/vuln/detail/CVE-2026-97576)

### References from the CNA

- <https://git.kernel.org/stable/c/9c0a718e24d4cd6d975f3df9740f968f62891a20>
- <https://git.kernel.org/stable/c/975e0180488966bb709092a52408604bd4f4edd9>
- <https://git.kernel.org/stable/c/724915535558b14c111ad8a498b896026dfe8d20>
- <https://git.kernel.org/stable/c/400cd78a63cc647412cf069c9851bdea2818340c>
- <https://git.kernel.org/stable/c/c7b1ef6dc57f4e57fe27cfdd3bf82033ed91ca34>
- <https://git.kernel.org/stable/c/ba1023d3a6d5d244d59f20c4ba6af4879ae08a9f>
- <https://git.kernel.org/stable/c/dc694a9929f7cb9c88ef91e45eb982b7bbe5a477>

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-2026-97576>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97576/>. Everything for agents: <https://agentprime.io/llms.txt>.