# nfsd: convert nfsd_net boolean flags to unsigned long flags word

CVE record · `CVE-2026-93221`

- **Identifiers:** `CVE-2026-93221`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:10 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: `362063a595be959bc08f4163e6405a0266740091 to before 94b450977c60261903c945419d2df4a464de60c4` (git)
  - affected: `362063a595be959bc08f4163e6405a0266740091 to before faac245ca739b66e96fb7bb43e21df537239a4e5` (git)
  - affected: `362063a595be959bc08f4163e6405a0266740091 to before 40bab0da844c142431a6b1cc21b4cf53491dac44` (git)
  - affected: `362063a595be959bc08f4163e6405a0266740091 to before df5922fe09a8131c793ffa86adf204999b0470f8` (git)
  - affected: `362063a595be959bc08f4163e6405a0266740091 to before 11a5fe42e1811f793e04ef885b639ea7668f439d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.2`
  - unaffected: `before 5.2` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0042, the 36th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93221](https://www.cve.org/CVERecord?id=CVE-2026-93221)
- [NVD: CVE-2026-93221](https://nvd.nist.gov/vuln/detail/CVE-2026-93221)

### References from the CNA

- <https://git.kernel.org/stable/c/94b450977c60261903c945419d2df4a464de60c4>
- <https://git.kernel.org/stable/c/faac245ca739b66e96fb7bb43e21df537239a4e5>
- <https://git.kernel.org/stable/c/40bab0da844c142431a6b1cc21b4cf53491dac44>
- <https://git.kernel.org/stable/c/df5922fe09a8131c793ffa86adf204999b0470f8>
- <https://git.kernel.org/stable/c/11a5fe42e1811f793e04ef885b639ea7668f439d>

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-2026-93221>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93221/>. Everything for agents: <https://agentprime.io/llms.txt>.