# irqchip/gic-v4: Don't advertise VLPIs if no ITS is probed

CVE record · `CVE-2026-98877`

- **Identifiers:** `CVE-2026-98877`
- **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: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before 3e4cae9f1472ba3c9fe87edee24074618b51f537` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before a2508b8855acc96abe69be73b41b672f1ef12516` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before e79934064be85fc9a3a6434da857307d8b78e33d` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before 4761493dd663443f7353c184e6fa16e1cb3ac5a1` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before ab233119a19716b8f33e73ea7e092e0eb353cfbf` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40` (git)
  - affected: `a75460547e13c99762c2f9dbfcdd13ad416f91c5 to before e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (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:** 0.0018, the 7th percentile, on 6 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-2026-98877](https://www.cve.org/CVERecord?id=CVE-2026-98877)
- [NVD: CVE-2026-98877](https://nvd.nist.gov/vuln/detail/CVE-2026-98877)

### References from the CNA

- <https://git.kernel.org/stable/c/3e4cae9f1472ba3c9fe87edee24074618b51f537>
- <https://git.kernel.org/stable/c/a2508b8855acc96abe69be73b41b672f1ef12516>
- <https://git.kernel.org/stable/c/e79934064be85fc9a3a6434da857307d8b78e33d>
- <https://git.kernel.org/stable/c/4761493dd663443f7353c184e6fa16e1cb3ac5a1>
- <https://git.kernel.org/stable/c/ab233119a19716b8f33e73ea7e092e0eb353cfbf>
- <https://git.kernel.org/stable/c/c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40>
- <https://git.kernel.org/stable/c/e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5>

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-2026-98877>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-98877/>. Everything for agents: <https://agentprime.io/llms.txt>.