# bpf, arm64: set up the frame pointer for the exception callback

CVE record · `CVE-2026-98641`

- **Identifiers:** `CVE-2026-98641`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:20 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: `5d4fa9ec5643a5c75d3c1e6abf50fb9284caf1ff to before ecdd770a9fc3eaf6c3127c5991312b84774a7b0f` (git)
  - affected: `5d4fa9ec5643a5c75d3c1e6abf50fb9284caf1ff to before b67b4c763f211e7a6391c356fef552e2ea63f08a` (git)
  - affected: `5d4fa9ec5643a5c75d3c1e6abf50fb9284caf1ff to before d7cd5ebe13989f265015910faa25e5d50faa4c22` (git)
  - affected: `5d4fa9ec5643a5c75d3c1e6abf50fb9284caf1ff to before ef1fb82f12186dd26153b14d9fbcf4ec98db81b3` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.12`
  - unaffected: `before 6.12` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0017, the 6th 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98641](https://www.cve.org/CVERecord?id=CVE-2026-98641)
- [NVD: CVE-2026-98641](https://nvd.nist.gov/vuln/detail/CVE-2026-98641)

### References from the CNA

- <https://git.kernel.org/stable/c/ecdd770a9fc3eaf6c3127c5991312b84774a7b0f>
- <https://git.kernel.org/stable/c/b67b4c763f211e7a6391c356fef552e2ea63f08a>
- <https://git.kernel.org/stable/c/d7cd5ebe13989f265015910faa25e5d50faa4c22>
- <https://git.kernel.org/stable/c/ef1fb82f12186dd26153b14d9fbcf4ec98db81b3>

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-2026-98641>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98641/>. Everything for agents: <https://agentprime.io/llms.txt>.