# tty: port: fix tty_port_tty_vhangup() race

CVE record · `CVE-2026-98752`

- **Identifiers:** `CVE-2026-98752`
- **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: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before a78910f6d78cc1415cbc9b4fb621c3f4f6945be2` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before 2e16ae1464a4f435425c6f6ff1e293db850a624c` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before a776d603d1e1bba2837295817b0a39394707b10d` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before ce220b4cdf62f73db0c1940f968eb33b9899fdd0` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before 6d1a984afc3ca477dab3e51ec806671d443ad524` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before 6b7be3b9b857947e9c1338d4919d4ebd3b75e907` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before 017b18addbe8dcace1a569a00d40ed1ba1e03f4c` (git)
  - affected: `7ca0ff9ab3218ec443a7a9ad247e4650373ed41e to before b48820de8c1a596c5b99775524dfce73c6576c5d` (git)
  - affected: `4260dc792fabfd20c8644fa9414b2ae48372365f` (git)
  - affected: `2.6.31.2 to before 2.6.32` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.32`
  - unaffected: `before 2.6.32` (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-2026-98752](https://www.cve.org/CVERecord?id=CVE-2026-98752)
- [NVD: CVE-2026-98752](https://nvd.nist.gov/vuln/detail/CVE-2026-98752)

### References from the CNA

- <https://git.kernel.org/stable/c/a78910f6d78cc1415cbc9b4fb621c3f4f6945be2>
- <https://git.kernel.org/stable/c/2e16ae1464a4f435425c6f6ff1e293db850a624c>
- <https://git.kernel.org/stable/c/a776d603d1e1bba2837295817b0a39394707b10d>
- <https://git.kernel.org/stable/c/ce220b4cdf62f73db0c1940f968eb33b9899fdd0>
- <https://git.kernel.org/stable/c/6d1a984afc3ca477dab3e51ec806671d443ad524>
- <https://git.kernel.org/stable/c/6b7be3b9b857947e9c1338d4919d4ebd3b75e907>
- <https://git.kernel.org/stable/c/017b18addbe8dcace1a569a00d40ed1ba1e03f4c>
- <https://git.kernel.org/stable/c/b48820de8c1a596c5b99775524dfce73c6576c5d>

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-2026-98752>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98752/>. Everything for agents: <https://agentprime.io/llms.txt>.