# net: tls: fix strparser anchor skb leak on offload RX setup failure

CVE record · `CVE-2026-52974`

- **Identifiers:** `CVE-2026-52974`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-401](https://cwe.mitre.org/data/definitions/401.html)
- **Tags:** [Denial of service](https://agentprime.io/advisories/tag/dos.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Jun 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Jun 2026, 16:28 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: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before 0c9f399b37ce22a5ed94cc51f03ed07ac7f38e32` (git)
  - affected: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before 688f12aa44511dd57e448eb670075c6302ad1dc1` (git)
  - affected: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before 3c405dfa9619e506e75b8e41f8b29a5b99731877` (git)
  - affected: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before 9c54e76f8d6eb11735918777ef0e0509e089557d` (git)
  - affected: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before bd07fe6c38b9e44ff3fc02692a53f095c5cc9afc` (git)
  - affected: `84c61fe1a75b4255df1e1e7c054c9e6d048da417 to before 58689498ca3384851145a754dbb1d8ed1cf9fb54` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (semver)
  - unaffected: `6.1.175 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.141 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.91 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.33 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.10 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0050, the 43rd 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 24 Jun 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-52974](https://www.cve.org/CVERecord?id=CVE-2026-52974)
- [NVD: CVE-2026-52974](https://nvd.nist.gov/vuln/detail/CVE-2026-52974)

### References from the CNA

- <https://git.kernel.org/stable/c/0c9f399b37ce22a5ed94cc51f03ed07ac7f38e32>
- <https://git.kernel.org/stable/c/688f12aa44511dd57e448eb670075c6302ad1dc1>
- <https://git.kernel.org/stable/c/3c405dfa9619e506e75b8e41f8b29a5b99731877>
- <https://git.kernel.org/stable/c/9c54e76f8d6eb11735918777ef0e0509e089557d>
- <https://git.kernel.org/stable/c/bd07fe6c38b9e44ff3fc02692a53f095c5cc9afc>
- <https://git.kernel.org/stable/c/58689498ca3384851145a754dbb1d8ed1cf9fb54>

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-2026-52974>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-52974/>. Everything for agents: <https://agentprime.io/llms.txt>.
