# serial: 8250_bcm7271: fix use-after-free in brcmuart_remove()

CVE record · `CVE-2026-98748`

- **Identifiers:** `CVE-2026-98748`
- **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: `41a469482de257ea8db43cf74b6311bd055de030 to before 134d239558f2ac2602fad2392ec3e6d8d76af7d8` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before dad9fb86829ee96bbc6315d7209ceb24820ef889` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before dd81650bec58ac70e5dfde2ec390acc1f0d1ed76` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before f5ce06e648d775cc1ccf66f4f594bb8b559a7d8e` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before e32440fa536af96bdbc61d933a7c3a920b965edc` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before 0794ba5332754866b2f1c0cca668775be3ffcf0a` (git)
  - affected: `41a469482de257ea8db43cf74b6311bd055de030 to before 189b9dc8c96ec9486482f27c1372b04a7152175e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.13`
  - unaffected: `before 5.13` (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:** 0.0017, the 6th percentile, on 6 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-2026-98748](https://www.cve.org/CVERecord?id=CVE-2026-98748)
- [NVD: CVE-2026-98748](https://nvd.nist.gov/vuln/detail/CVE-2026-98748)

### References from the CNA

- <https://git.kernel.org/stable/c/134d239558f2ac2602fad2392ec3e6d8d76af7d8>
- <https://git.kernel.org/stable/c/dad9fb86829ee96bbc6315d7209ceb24820ef889>
- <https://git.kernel.org/stable/c/dd81650bec58ac70e5dfde2ec390acc1f0d1ed76>
- <https://git.kernel.org/stable/c/f5ce06e648d775cc1ccf66f4f594bb8b559a7d8e>
- <https://git.kernel.org/stable/c/e32440fa536af96bdbc61d933a7c3a920b965edc>
- <https://git.kernel.org/stable/c/0794ba5332754866b2f1c0cca668775be3ffcf0a>
- <https://git.kernel.org/stable/c/189b9dc8c96ec9486482f27c1372b04a7152175e>

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-2026-98748>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98748/>. Everything for agents: <https://agentprime.io/llms.txt>.