# s390/vfio-ap: fix potential use of uninitialized apm_filtered bitmap

CVE record · `CVE-2026-93238`

- **Identifiers:** `CVE-2026-93238`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:34 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: `eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 to before 4ba8a08f5f26ed59f356a6318bca3aa7cc0af3e2` (git)
  - affected: `eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 to before f73db632524320d2b93bc8534be8ea875053502d` (git)
  - affected: `eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 to before 6d554f2571e6b4db242593ba561efd6a6d1f99a9` (git)
  - affected: `eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 to before 09548edc6114f1eb1035b30795e893204ef45b85` (git)
  - affected: `eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 to before bf09b9d7cd7890bc3a3b7eb63d5ece15f88bfde7` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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 11th percentile, on 13 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93238](https://www.cve.org/CVERecord?id=CVE-2026-93238)
- [NVD: CVE-2026-93238](https://nvd.nist.gov/vuln/detail/CVE-2026-93238)

### References from the CNA

- <https://git.kernel.org/stable/c/4ba8a08f5f26ed59f356a6318bca3aa7cc0af3e2>
- <https://git.kernel.org/stable/c/f73db632524320d2b93bc8534be8ea875053502d>
- <https://git.kernel.org/stable/c/6d554f2571e6b4db242593ba561efd6a6d1f99a9>
- <https://git.kernel.org/stable/c/09548edc6114f1eb1035b30795e893204ef45b85>
- <https://git.kernel.org/stable/c/bf09b9d7cd7890bc3a3b7eb63d5ece15f88bfde7>

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-2026-93238>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93238/>. Everything for agents: <https://agentprime.io/llms.txt>.