# selinux: preserve NATIVE_LABELS on already-initialized sb in set_mnt_opts

CVE record · `CVE-2026-99052`

- **Identifiers:** `CVE-2026-99052`
- **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: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before 22987d24a159ed7df3cdc9090ca5d61e58df0cac` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before 2f0f1f5a3b89c1ed67e39be49d29ee7f5c96e039` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before dc579e43b13cb65e55eabaae4f1a950e43567fb1` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before a545def625860d4ccedc14fe45e884a62a041cef` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before a6da93c625b3557dd23ff6db45d2d1bafeae1565` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before 5509d498e1b9edafebd5a60ba3cb9ecfda23dc2b` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before c997832414f1d846de0a1fa38d7d4f62ba2ea917` (git)
  - affected: `eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864 to before 28b7260548af3d35773477993ad4e4de41578dd7` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.11`
  - unaffected: `before 3.11` (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:** 0.0018, the 7th percentile, on 5 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-2026-99052](https://www.cve.org/CVERecord?id=CVE-2026-99052)
- [NVD: CVE-2026-99052](https://nvd.nist.gov/vuln/detail/CVE-2026-99052)

### References from the CNA

- <https://git.kernel.org/stable/c/22987d24a159ed7df3cdc9090ca5d61e58df0cac>
- <https://git.kernel.org/stable/c/2f0f1f5a3b89c1ed67e39be49d29ee7f5c96e039>
- <https://git.kernel.org/stable/c/dc579e43b13cb65e55eabaae4f1a950e43567fb1>
- <https://git.kernel.org/stable/c/a545def625860d4ccedc14fe45e884a62a041cef>
- <https://git.kernel.org/stable/c/a6da93c625b3557dd23ff6db45d2d1bafeae1565>
- <https://git.kernel.org/stable/c/5509d498e1b9edafebd5a60ba3cb9ecfda23dc2b>
- <https://git.kernel.org/stable/c/c997832414f1d846de0a1fa38d7d4f62ba2ea917>
- <https://git.kernel.org/stable/c/28b7260548af3d35773477993ad4e4de41578dd7>

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-2026-99052>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-99052/>. Everything for agents: <https://agentprime.io/llms.txt>.