# workqueue: Fix NULL current_pwq deref in chained work check

CVE record · `CVE-2026-99058`

- **Identifiers:** `CVE-2026-99058`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:22 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: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 73bec442f913855907b63225306dd162c18e5c71` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 6877de2c75f0dd342099a1357856e6c8d474abc3` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 54361e4924c2c52a501b74ef10217c32f45fccfa` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 3dc61af2998cfc7312d6e59bbdcd5eed074483f2` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 729d576df89c7e4341e58c452f8890620a610ac2` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before b12a25fb2b9d5dac80e419d695450cc17a51fdfd` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 1a2668682e998039a027796b236319b380078a6a` (git)
  - affected: `8d03ecfe471802d6afe97da97722b6924533aa82 to before 980db94e3eeefdd8a1c46f86412c33a7f7806f51` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.9`
  - unaffected: `before 3.9` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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:** 0.0019, the 8th percentile, on 7 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99058](https://www.cve.org/CVERecord?id=CVE-2026-99058)
- [NVD: CVE-2026-99058](https://nvd.nist.gov/vuln/detail/CVE-2026-99058)

### References from the CNA

- <https://git.kernel.org/stable/c/73bec442f913855907b63225306dd162c18e5c71>
- <https://git.kernel.org/stable/c/6877de2c75f0dd342099a1357856e6c8d474abc3>
- <https://git.kernel.org/stable/c/54361e4924c2c52a501b74ef10217c32f45fccfa>
- <https://git.kernel.org/stable/c/3dc61af2998cfc7312d6e59bbdcd5eed074483f2>
- <https://git.kernel.org/stable/c/729d576df89c7e4341e58c452f8890620a610ac2>
- <https://git.kernel.org/stable/c/b12a25fb2b9d5dac80e419d695450cc17a51fdfd>
- <https://git.kernel.org/stable/c/1a2668682e998039a027796b236319b380078a6a>
- <https://git.kernel.org/stable/c/980db94e3eeefdd8a1c46f86412c33a7f7806f51>

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-2026-99058>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99058/>. Everything for agents: <https://agentprime.io/llms.txt>.