# lwt_bpf: Restore reserved headroom after xmit program

CVE record · `CVE-2026-90160`

- **Identifiers:** `CVE-2026-90160`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 16:06 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: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before 753e5cdcca5474d230d62bb3489e5168ab27c272` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before c488071c3441fa34f5a87cd6c12ce2cc6304f20e` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before a38c0eb447e2dd0120a2ebcdba470f9505ac8907` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before de2b2004e16f2930eb689175e2c1998b0a68d499` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before 7d043e24520a273c362be5dd7d9c82796879a49b` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before 7cf561843ed0ad57501892a65abb77957e6c800f` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before 179a5b2171573d94a25c9aa8e1c9f9ac352ad316` (git)
  - affected: `3a0af8fd61f90920f6fa04e4f1e9a6a73c1b4fd2 to before 5fe7007aed9ad069b2bd77e5d0c875c64f5c0269` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.10`
  - unaffected: `before 4.10` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th 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-2026-90160](https://www.cve.org/CVERecord?id=CVE-2026-90160)
- [NVD: CVE-2026-90160](https://nvd.nist.gov/vuln/detail/CVE-2026-90160)

### References from the CNA

- <https://git.kernel.org/stable/c/753e5cdcca5474d230d62bb3489e5168ab27c272>
- <https://git.kernel.org/stable/c/c488071c3441fa34f5a87cd6c12ce2cc6304f20e>
- <https://git.kernel.org/stable/c/a38c0eb447e2dd0120a2ebcdba470f9505ac8907>
- <https://git.kernel.org/stable/c/de2b2004e16f2930eb689175e2c1998b0a68d499>
- <https://git.kernel.org/stable/c/7d043e24520a273c362be5dd7d9c82796879a49b>
- <https://git.kernel.org/stable/c/7cf561843ed0ad57501892a65abb77957e6c800f>
- <https://git.kernel.org/stable/c/179a5b2171573d94a25c9aa8e1c9f9ac352ad316>
- <https://git.kernel.org/stable/c/5fe7007aed9ad069b2bd77e5d0c875c64f5c0269>

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-2026-90160>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90160/>. Everything for agents: <https://agentprime.io/llms.txt>.