# arm64: RSI: fix field-spanning write warning in attestation token init

CVE record · `CVE-2026-93266`

- **Identifiers:** `CVE-2026-93266`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:52 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: `b880a80011f56880f32bde47fc6af313359f926b to before e505092cb200d430d5b8d8d3e926d45f29474ba3` (git)
  - affected: `b880a80011f56880f32bde47fc6af313359f926b to before d29a8ee271da17b5e32d7a76a9c78d43f66447ca` (git)
  - affected: `b880a80011f56880f32bde47fc6af313359f926b to before 221049874b6a78c7d87bc826581b0695cd338e2b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.13`
  - unaffected: `before 6.13` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0018, the 8th percentile, on 14 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93266](https://www.cve.org/CVERecord?id=CVE-2026-93266)
- [NVD: CVE-2026-93266](https://nvd.nist.gov/vuln/detail/CVE-2026-93266)

### References from the CNA

- <https://git.kernel.org/stable/c/e505092cb200d430d5b8d8d3e926d45f29474ba3>
- <https://git.kernel.org/stable/c/d29a8ee271da17b5e32d7a76a9c78d43f66447ca>
- <https://git.kernel.org/stable/c/221049874b6a78c7d87bc826581b0695cd338e2b>

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-2026-93266>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93266/>. Everything for agents: <https://agentprime.io/llms.txt>.