# locking/lockdep: Invalidate stale class_cache entries for zapped classes

CVE record · `CVE-2026-98398`

- **Identifiers:** `CVE-2026-98398`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 14 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 14 Oct 2026, 13:25 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: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before f8a1281ab82df5b51fd0384354d4b21daf2b7af0` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before 1c9d664e2e067fca69e5a41d68e23bbc66a583fe` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before 6bc345f6d81ebe22e0f355c2a21d7e29691f9332` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before f63c86e9d267629758adaba18579e784ddd63c32` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before c7acfb04c7e2e2dea248282b21373d93296644dd` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before baa320fbb2f9fea50f5632a307da8ce84fbef5bd` (git)
  - affected: `a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 to before 02c6be7d675b21d81f0ba3a524346850a8c0e3bf` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.1`
  - unaffected: `before 5.1` (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: `7.2.7 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:** 0.0021, the 10th 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 14 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98398](https://www.cve.org/CVERecord?id=CVE-2026-98398)
- [NVD: CVE-2026-98398](https://nvd.nist.gov/vuln/detail/CVE-2026-98398)

### References from the CNA

- <https://git.kernel.org/stable/c/f8a1281ab82df5b51fd0384354d4b21daf2b7af0>
- <https://git.kernel.org/stable/c/1c9d664e2e067fca69e5a41d68e23bbc66a583fe>
- <https://git.kernel.org/stable/c/6bc345f6d81ebe22e0f355c2a21d7e29691f9332>
- <https://git.kernel.org/stable/c/f63c86e9d267629758adaba18579e784ddd63c32>
- <https://git.kernel.org/stable/c/c7acfb04c7e2e2dea248282b21373d93296644dd>
- <https://git.kernel.org/stable/c/baa320fbb2f9fea50f5632a307da8ce84fbef5bd>
- <https://git.kernel.org/stable/c/02c6be7d675b21d81f0ba3a524346850a8c0e3bf>

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-2026-98398>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98398/>. Everything for agents: <https://agentprime.io/llms.txt>.