# drm/xe: Flush LSC untyped L1 dataport cache after rcs/ccs batches

CVE record · `CVE-2026-97620`

- **Identifiers:** `CVE-2026-97620`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 10:22 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: `9f8f93bee3efdba3bf7853befe2219e3a300c305 to before d73975c121f56fe3fcbbfcfe3ea8853b9f597ab3` (git)
  - affected: `9f8f93bee3efdba3bf7853befe2219e3a300c305 to before fab569a69c3ae9beced68307e36048efa2709bec` (git)
  - affected: `9f8f93bee3efdba3bf7853befe2219e3a300c305 to before 92393fc5227b2b701f2b1530c9cd6dac6ee90b71` (git)
  - affected: `9f8f93bee3efdba3bf7853befe2219e3a300c305 to before f5fcf7e638b904397ec0f66d3ea6766ef0cfe25b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.8`
  - unaffected: `before 6.8` (semver)
  - unaffected: `6.12.112 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 10th 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-2026-97620](https://www.cve.org/CVERecord?id=CVE-2026-97620)
- [NVD: CVE-2026-97620](https://nvd.nist.gov/vuln/detail/CVE-2026-97620)

### References from the CNA

- <https://git.kernel.org/stable/c/d73975c121f56fe3fcbbfcfe3ea8853b9f597ab3>
- <https://git.kernel.org/stable/c/fab569a69c3ae9beced68307e36048efa2709bec>
- <https://git.kernel.org/stable/c/92393fc5227b2b701f2b1530c9cd6dac6ee90b71>
- <https://git.kernel.org/stable/c/f5fcf7e638b904397ec0f66d3ea6766ef0cfe25b>

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-2026-97620>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97620/>. Everything for agents: <https://agentprime.io/llms.txt>.