# veth: fix skb length accounting after XDP frag adjustment

CVE record · `CVE-2026-74612`

- **Identifiers:** `CVE-2026-74612`
- **State:** Confirmed
- **Severity:** CVSS 10.0 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 22 Aug 2026
- **Updated:** 16 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 22 Aug 2026, 15:31 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.

## Critical

Critical, because:

- CVSS score 10.0: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before 0c3024afabb8064b141f3cedcb1ddd6ab05ad9d5` (git)
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before 2f2a7f3f8b9f1bffc9b0488aa02b6951b2aec139` (git)
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before 41b96667d42b74bb4b137f1bb78b611a953c5943` (git)
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before cdf745b7a777f87f51666e5d8f4c6fc279bcf54d` (git)
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before 3205b0652a37255dbb7ca8f3d942c8d8aa677c21` (git)
  - affected: `718a18a0c8a67f97781e40bdef7cdd055c430996 to before cb6379feaaff11c4e1e79c26c745ffa23182768a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.18`
  - unaffected: `before 5.18` (semver)
  - unaffected: `6.1.184 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.152 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.104 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.45 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.9 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0049, the 42nd 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 22 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-74612](https://www.cve.org/CVERecord?id=CVE-2026-74612)
- [NVD: CVE-2026-74612](https://nvd.nist.gov/vuln/detail/CVE-2026-74612)

### References from the CNA

- <https://git.kernel.org/stable/c/0c3024afabb8064b141f3cedcb1ddd6ab05ad9d5>
- <https://git.kernel.org/stable/c/2f2a7f3f8b9f1bffc9b0488aa02b6951b2aec139>
- <https://git.kernel.org/stable/c/41b96667d42b74bb4b137f1bb78b611a953c5943>
- <https://git.kernel.org/stable/c/cdf745b7a777f87f51666e5d8f4c6fc279bcf54d>
- <https://git.kernel.org/stable/c/3205b0652a37255dbb7ca8f3d942c8d8aa677c21>
- <https://git.kernel.org/stable/c/cb6379feaaff11c4e1e79c26c745ffa23182768a>

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-2026-74612>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-74612/>. Everything for agents: <https://agentprime.io/llms.txt>.