# mailbox: qcom-cpucp: fix PREEMPT_RT self-deadlock in IRQ handler

CVE record · `CVE-2026-90193`

- **Identifiers:** `CVE-2026-90193`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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: `0e2a9a03106cd5fa0dbc9047675e7645c55e2669 to before aa482273f32117c3adeba9b1cc945e0b5d33722d` (git)
  - affected: `0e2a9a03106cd5fa0dbc9047675e7645c55e2669 to before 8b8de6400c86937ed57d680d06d716e167b381de` (git)
  - affected: `0e2a9a03106cd5fa0dbc9047675e7645c55e2669 to before e40b3edeaf25cd09e9c88edb1ef99373ca37593b` (git)
  - affected: `0e2a9a03106cd5fa0dbc9047675e7645c55e2669 to before 3690aaa6d18f6775c3e7932fb8af8c5bf6a6b69c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.11`
  - unaffected: `before 6.11` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0021, the 11th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90193](https://www.cve.org/CVERecord?id=CVE-2026-90193)
- [NVD: CVE-2026-90193](https://nvd.nist.gov/vuln/detail/CVE-2026-90193)

### References from the CNA

- <https://git.kernel.org/stable/c/aa482273f32117c3adeba9b1cc945e0b5d33722d>
- <https://git.kernel.org/stable/c/8b8de6400c86937ed57d680d06d716e167b381de>
- <https://git.kernel.org/stable/c/e40b3edeaf25cd09e9c88edb1ef99373ca37593b>
- <https://git.kernel.org/stable/c/3690aaa6d18f6775c3e7932fb8af8c5bf6a6b69c>

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-2026-90193>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90193/>. Everything for agents: <https://agentprime.io/llms.txt>.