# KVM: s390: Take srcu when importing watchpoint data

CVE record · `CVE-2026-89922`

- **Identifiers:** `CVE-2026-89922`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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: `27291e2165b6de70c476b7b675308113edd69a60 to before 6830fbc3724bf49c142aae69a4694f115fa9cedd` (git)
  - affected: `27291e2165b6de70c476b7b675308113edd69a60 to before f8e3a9997d5ecd56ebe4b262ff424516c068fecb` (git)
  - affected: `27291e2165b6de70c476b7b675308113edd69a60 to before 76f5b4ea9ed0aa5a34bda9d8a878f2c73026ec03` (git)
  - affected: `27291e2165b6de70c476b7b675308113edd69a60 to before cc710ee45395efb4937e042960f791d33924e5f6` (git)
  - affected: `27291e2165b6de70c476b7b675308113edd69a60 to before 4c05bf21d1806853e662cc19e744736a3408f155` (git)
  - affected: `27291e2165b6de70c476b7b675308113edd69a60 to before a4e482def8533ebace517d9f67f1465841b1f982` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.16`
  - unaffected: `before 3.16` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89922](https://www.cve.org/CVERecord?id=CVE-2026-89922)
- [NVD: CVE-2026-89922](https://nvd.nist.gov/vuln/detail/CVE-2026-89922)

### References from the CNA

- <https://git.kernel.org/stable/c/6830fbc3724bf49c142aae69a4694f115fa9cedd>
- <https://git.kernel.org/stable/c/f8e3a9997d5ecd56ebe4b262ff424516c068fecb>
- <https://git.kernel.org/stable/c/76f5b4ea9ed0aa5a34bda9d8a878f2c73026ec03>
- <https://git.kernel.org/stable/c/cc710ee45395efb4937e042960f791d33924e5f6>
- <https://git.kernel.org/stable/c/4c05bf21d1806853e662cc19e744736a3408f155>
- <https://git.kernel.org/stable/c/a4e482def8533ebace517d9f67f1465841b1f982>

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-2026-89922>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89922/>. Everything for agents: <https://agentprime.io/llms.txt>.