# tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup

CVE record · `CVE-2026-98754`

- **Identifiers:** `CVE-2026-98754`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:47 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: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before b0ad9d025c3229a628a82fbaa7578891075a950d` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before b193617080b7036d143674089bcfb7d2ba3db588` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before afcbb821c571f39b273127a7c7d26cb2cef27d2f` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before 57753441ef84bee3bf0e9ee1e3778d119c44aa32` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before 88f6ecb058801e9ce7b9aabc966530118d7cd53c` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before 821050631750e982007c0856c119346edba51cae` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before 1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4` (git)
  - affected: `8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb to before 03b49c991abb8d021ca6fe51cd173447236b0552` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.14`
  - unaffected: `before 4.14` (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: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98754](https://www.cve.org/CVERecord?id=CVE-2026-98754)
- [NVD: CVE-2026-98754](https://nvd.nist.gov/vuln/detail/CVE-2026-98754)

### References from the CNA

- <https://git.kernel.org/stable/c/b0ad9d025c3229a628a82fbaa7578891075a950d>
- <https://git.kernel.org/stable/c/b193617080b7036d143674089bcfb7d2ba3db588>
- <https://git.kernel.org/stable/c/afcbb821c571f39b273127a7c7d26cb2cef27d2f>
- <https://git.kernel.org/stable/c/57753441ef84bee3bf0e9ee1e3778d119c44aa32>
- <https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c>
- <https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae>
- <https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4>
- <https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552>

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-2026-98754>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98754/>. Everything for agents: <https://agentprime.io/llms.txt>.