# ALSA: seq: Serialize compat port-info ioctls

CVE record · `CVE-2026-98742`

- **Identifiers:** `CVE-2026-98742`
- **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: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 14e178c60ba1cea49186fcfccac93d66aa94e9e0` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 4980768c5d092493be0deb20d1ee86aa661466f8` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 2c0cce3a5a660270d65729b0f318d4e01470479d` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 2db234e163f0d211b69a4eebbec8aacc5a54a80e` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 413211dd31cb2ef2fc99fb0aa1a037a97509502c` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before fc5c52848e405b6efb073db5035bb9ebaed11ec4` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 702d92f361f65d9698c473c7599d471395dc4341` (git)
  - affected: `b3defb791b26ea0683a93a4f49c77ec45ec96f10 to before 95b2e0361c88753afa030c10698be0a1a5b67650` (git)
  - affected: `d6693160906d55ba376bf0b88b7c129762170162` (git)
  - affected: `02cbce8576a31df8fca54aaec91ee081076bd79d` (git)
  - affected: `6aab3aa52366a0051e5abf8aae4616c42053fd8e` (git)
  - affected: `f8a38ab4cd9624fc5ac8a7f965c7b20f5b62c03c` (git)
  - and 10 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (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-2026-98742](https://www.cve.org/CVERecord?id=CVE-2026-98742)
- [NVD: CVE-2026-98742](https://nvd.nist.gov/vuln/detail/CVE-2026-98742)

### References from the CNA

- <https://git.kernel.org/stable/c/14e178c60ba1cea49186fcfccac93d66aa94e9e0>
- <https://git.kernel.org/stable/c/4980768c5d092493be0deb20d1ee86aa661466f8>
- <https://git.kernel.org/stable/c/2c0cce3a5a660270d65729b0f318d4e01470479d>
- <https://git.kernel.org/stable/c/2db234e163f0d211b69a4eebbec8aacc5a54a80e>
- <https://git.kernel.org/stable/c/413211dd31cb2ef2fc99fb0aa1a037a97509502c>
- <https://git.kernel.org/stable/c/fc5c52848e405b6efb073db5035bb9ebaed11ec4>
- <https://git.kernel.org/stable/c/702d92f361f65d9698c473c7599d471395dc4341>
- <https://git.kernel.org/stable/c/95b2e0361c88753afa030c10698be0a1a5b67650>

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-2026-98742>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98742/>. Everything for agents: <https://agentprime.io/llms.txt>.