# bpf: Fix use-after-free on mm_struct in bpf_find_vma()

CVE record · `CVE-2026-93137`

- **Identifiers:** `CVE-2026-93137`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:11 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: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before db347840d6b6ee9bb9b8e4a985d4b4419f9f3200` (git)
  - affected: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before 8e1101fc4118019a69c96ced4aec93164f89cbd5` (git)
  - affected: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before c7ad910e987008e125eeff448892e86852173384` (git)
  - affected: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before 86d54cf069fc5ae2e111c87933bebf6eb527978e` (git)
  - affected: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before 2b2a903bee56d312539046d9defa8023eec94760` (git)
  - affected: `7c7e3d31e7856a8260a254f8c71db416f7f9f5a1 to before 47b079e2117a2ee52e21f8b72935900c702fc0b5` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.17`
  - unaffected: `before 5.17` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93137](https://www.cve.org/CVERecord?id=CVE-2026-93137)
- [NVD: CVE-2026-93137](https://nvd.nist.gov/vuln/detail/CVE-2026-93137)

### References from the CNA

- <https://git.kernel.org/stable/c/db347840d6b6ee9bb9b8e4a985d4b4419f9f3200>
- <https://git.kernel.org/stable/c/8e1101fc4118019a69c96ced4aec93164f89cbd5>
- <https://git.kernel.org/stable/c/c7ad910e987008e125eeff448892e86852173384>
- <https://git.kernel.org/stable/c/86d54cf069fc5ae2e111c87933bebf6eb527978e>
- <https://git.kernel.org/stable/c/2b2a903bee56d312539046d9defa8023eec94760>
- <https://git.kernel.org/stable/c/47b079e2117a2ee52e21f8b72935900c702fc0b5>

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-2026-93137>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93137/>. Everything for agents: <https://agentprime.io/llms.txt>.