# vsock/virtio: fix potential unbounded skb queue

CVE record · `CVE-2026-53132`

- **Identifiers:** `CVE-2026-53132`
- **State:** Confirmed
- **Severity:** CVSS 7.1 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-400](https://cwe.mitre.org/data/definitions/400.html)
- **Tags:** [Denial of service](https://agentprime.io/advisories/tag/dos.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Jun 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Jun 2026, 08:38 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: `077706165717686a2a6a71405fef036cd5b37ae0 to before 1eca304f97a34ed5e921e1f0e06c8b241f25bf12` (git)
  - affected: `077706165717686a2a6a71405fef036cd5b37ae0 to before 9bdc637fde66b63d6cad0caacd034888bb7bf5f5` (git)
  - affected: `077706165717686a2a6a71405fef036cd5b37ae0 to before 100d5b2ffdc6468b9e48532641f29e83efdcb63c` (git)
  - affected: `077706165717686a2a6a71405fef036cd5b37ae0 to before 059b7dbd20a6f0c539a45ddff1573cb8946685b5` (git)
  - affected: `5852a2b573f7a3a29df46296e56aa3491e589cdf` (git)
  - affected: `6.1.63 to before 6.2` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.3`
  - unaffected: `before 6.3` (semver)
  - unaffected: `6.12.94 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.36 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.13 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 15 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 25 Jun 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-53132](https://www.cve.org/CVERecord?id=CVE-2026-53132)
- [NVD: CVE-2026-53132](https://nvd.nist.gov/vuln/detail/CVE-2026-53132)

### References from the CNA

- <https://git.kernel.org/stable/c/1eca304f97a34ed5e921e1f0e06c8b241f25bf12>
- <https://git.kernel.org/stable/c/9bdc637fde66b63d6cad0caacd034888bb7bf5f5>
- <https://git.kernel.org/stable/c/100d5b2ffdc6468b9e48532641f29e83efdcb63c>
- <https://git.kernel.org/stable/c/059b7dbd20a6f0c539a45ddff1573cb8946685b5>

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-2026-53132>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-53132/>. Everything for agents: <https://agentprime.io/llms.txt>.