# firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size

CVE record · `CVE-2026-98892`

- **Identifiers:** `CVE-2026-98892`
- **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:** 26 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 11:37 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: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before 4a754704698017ced0b657c92b468035faad00ed` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before 28d65a0a46435d48b96b6943c518095dff1602a1` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before 890a9c3bf9dae90dcabded9d8e10c708a13779f7` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before c0742f23ec13fb6f5e0cd884323467a6c127d3c2` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before cb77a50d1114c0c9e084176301a8e094d383edfa` (git)
  - affected: `585dfab3fb80e67b3a54790b3d5ef2991feb3950 to before 56e7e64cdd0e7209a58c8ec66028d63387402919` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.9`
  - unaffected: `before 5.9` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (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 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:** 0.0019, the 8th percentile, on 7 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-2026-98892](https://www.cve.org/CVERecord?id=CVE-2026-98892)
- [NVD: CVE-2026-98892](https://nvd.nist.gov/vuln/detail/CVE-2026-98892)

### References from the CNA

- <https://git.kernel.org/stable/c/4a754704698017ced0b657c92b468035faad00ed>
- <https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1>
- <https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7>
- <https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2>
- <https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216>
- <https://git.kernel.org/stable/c/cb77a50d1114c0c9e084176301a8e094d383edfa>
- <https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919>

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-2026-98892>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98892/>. Everything for agents: <https://agentprime.io/llms.txt>.