# net: Remove conflicting altnames for dying netns in \_\_dev_change_net_namespace().

CVE record · `CVE-2026-98073`

- **Identifiers:** `CVE-2026-98073`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:24 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: `36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc to before 54772bf503dd0e81e8b8db537fee6946de81e717` (git)
  - affected: `36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc to before 119ac1716705af17fb74b3e33058a938a87eecd4` (git)
  - affected: `36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc to before a29ea5b5034654aaaa4aadd771f48c01abfd2dfa` (git)
  - affected: `36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc to before ac6631843269e6a9b2164e393b7f729328711d78` (git)
  - affected: `36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc to before debac3a20dec524a59625cf10fa2f18571127824` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th percentile, on 11 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98073](https://www.cve.org/CVERecord?id=CVE-2026-98073)
- [NVD: CVE-2026-98073](https://nvd.nist.gov/vuln/detail/CVE-2026-98073)

### References from the CNA

- <https://git.kernel.org/stable/c/54772bf503dd0e81e8b8db537fee6946de81e717>
- <https://git.kernel.org/stable/c/119ac1716705af17fb74b3e33058a938a87eecd4>
- <https://git.kernel.org/stable/c/a29ea5b5034654aaaa4aadd771f48c01abfd2dfa>
- <https://git.kernel.org/stable/c/ac6631843269e6a9b2164e393b7f729328711d78>
- <https://git.kernel.org/stable/c/debac3a20dec524a59625cf10fa2f18571127824>

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-2026-98073>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-98073/>. Everything for agents: <https://agentprime.io/llms.txt>.