# net/packet: defer vmalloc TX_RING free until skbs finish

CVE record · `CVE-2026-80841`

- **Identifiers:** `CVE-2026-80841`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 4 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:54 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: `b013840810c221f2b0cf641d01531526052dc1fb to before ed126ca71d4d949ad99f40b974a8f7685e808f8b` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before debf9f50140b3df3949ebcb97d4450f8993fe32d` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before 4ce6e2d2e38055b2012bd5fdb0c8a8183c8a1b0c` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before ed25ed29034ddc3dbe451ccbaa58ab9932f99d8b` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before 0189dce07db2dc059ae0570e06758ec4233c6e11` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before 550d00aa58193fb649a09a9c9e338c685adad784` (git)
  - affected: `b013840810c221f2b0cf641d01531526052dc1fb to before 992cc9f94ca924089a506ba9b327caa9af797529` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.14`
  - unaffected: `before 3.14` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.13 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2.3 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:** 0.0017, the 6th percentile, on 14 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 4 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80841](https://www.cve.org/CVERecord?id=CVE-2026-80841)
- [NVD: CVE-2026-80841](https://nvd.nist.gov/vuln/detail/CVE-2026-80841)

### References from the CNA

- <https://git.kernel.org/stable/c/ed126ca71d4d949ad99f40b974a8f7685e808f8b>
- <https://git.kernel.org/stable/c/debf9f50140b3df3949ebcb97d4450f8993fe32d>
- <https://git.kernel.org/stable/c/4ce6e2d2e38055b2012bd5fdb0c8a8183c8a1b0c>
- <https://git.kernel.org/stable/c/ed25ed29034ddc3dbe451ccbaa58ab9932f99d8b>
- <https://git.kernel.org/stable/c/0189dce07db2dc059ae0570e06758ec4233c6e11>
- <https://git.kernel.org/stable/c/550d00aa58193fb649a09a9c9e338c685adad784>
- <https://git.kernel.org/stable/c/992cc9f94ca924089a506ba9b327caa9af797529>

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-2026-80841>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80841/>. Everything for agents: <https://agentprime.io/llms.txt>.