# net: fix skb length accounting after generic XDP frag adjustment

CVE record · `CVE-2026-74665`

- **Identifiers:** `CVE-2026-74665`
- **State:** Confirmed
- **Severity:** CVSS 9.1 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 22 Aug 2026
- **Updated:** 25 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 22 Aug 2026, 15:32 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 9.1: 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: `e6d5dbdd20aa6a86974af51deb9414cd2e7794cb to before 72468efcc089782fa047afddd10856b11a14ef5b` (git)
  - affected: `e6d5dbdd20aa6a86974af51deb9414cd2e7794cb to before 5f30f9c302cea1f2ebf97abe574c1826544223d7` (git)
  - affected: `e6d5dbdd20aa6a86974af51deb9414cd2e7794cb to before ea1ccd6d1c6370868e3b032a3fc575b9c397f2e1` (git)
  - affected: `e6d5dbdd20aa6a86974af51deb9414cd2e7794cb to before 33f2b2eb33d666ecac68031e0f31424fb70528db` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.9`
  - unaffected: `before 6.9` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0037, the 31st 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-2026-74665](https://www.cve.org/CVERecord?id=CVE-2026-74665)
- [NVD: CVE-2026-74665](https://nvd.nist.gov/vuln/detail/CVE-2026-74665)

### References from the CNA

- <https://git.kernel.org/stable/c/72468efcc089782fa047afddd10856b11a14ef5b>
- <https://git.kernel.org/stable/c/5f30f9c302cea1f2ebf97abe574c1826544223d7>
- <https://git.kernel.org/stable/c/ea1ccd6d1c6370868e3b032a3fc575b9c397f2e1>
- <https://git.kernel.org/stable/c/33f2b2eb33d666ecac68031e0f31424fb70528db>

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-2026-74665>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-74665/>. Everything for agents: <https://agentprime.io/llms.txt>.