# firmware: arm_scmi: Validate SENSOR_UPDATE payload size

CVE record · `CVE-2026-98893`

- **Identifiers:** `CVE-2026-98893`
- **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: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before e543d60f966a5f5c92298720c2fd1810f85a6be3` (git)
  - affected: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before 87a72e75f7560ea45cd28870194eaa153dd19e75` (git)
  - affected: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before 1bbe431fc59704d012660647516f6f94ddd82564` (git)
  - affected: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before c148ff2f5a168e0bc41d801efca6ee35a376cfcb` (git)
  - affected: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before 767789a58ae0d65ec3028e5b5b4da82210355d00` (git)
  - affected: `e3811190acf85c63518fbddaa28bcbfab2baa58d to before 32bc5496b48174dbca1f187f710955ee4d9527a1` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.11`
  - unaffected: `before 5.11` (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:** 0.0022, the 12th percentile, on 8 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-2026-98893](https://www.cve.org/CVERecord?id=CVE-2026-98893)
- [NVD: CVE-2026-98893](https://nvd.nist.gov/vuln/detail/CVE-2026-98893)

### References from the CNA

- <https://git.kernel.org/stable/c/e543d60f966a5f5c92298720c2fd1810f85a6be3>
- <https://git.kernel.org/stable/c/87a72e75f7560ea45cd28870194eaa153dd19e75>
- <https://git.kernel.org/stable/c/1bbe431fc59704d012660647516f6f94ddd82564>
- <https://git.kernel.org/stable/c/c148ff2f5a168e0bc41d801efca6ee35a376cfcb>
- <https://git.kernel.org/stable/c/767789a58ae0d65ec3028e5b5b4da82210355d00>
- <https://git.kernel.org/stable/c/32bc5496b48174dbca1f187f710955ee4d9527a1>

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-2026-98893>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98893/>. Everything for agents: <https://agentprime.io/llms.txt>.