# ceph: bound num_export_targets array for mds info v2/v3

CVE record · `CVE-2026-89650`

- **Identifiers:** `CVE-2026-89650`
- **State:** Confirmed
- **Severity:** CVSS 9.1 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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.

## Critical

Critical, because:

- CVSS score 9.1: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before a6eaf7bd229d0940ba8f126c684a663a680abef1` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before 0c4bcc3ba7291d383b82ce1c2fe324f69a42da2d` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before 55a06b32438c222765138727d0a8164b103e8f0d` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before eb3e1a1cb1634c76d59c5a9cb1a026fc69d40911` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before 3bf7dba8dba9a05774b846affec61a3624ddba38` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before 58c2d3e954c13694ef6e820a5e9456461bb9e7df` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before 332c444f4dc6fa1e8b8637c9e82d29e97f768656` (git)
  - affected: `d463a43d69f4af85887671d76182437775fd1631 to before a3eb169ee297aa99670ba927c659990bd1e453f3` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.7`
  - unaffected: `before 4.7` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0051, the 44th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89650](https://www.cve.org/CVERecord?id=CVE-2026-89650)
- [NVD: CVE-2026-89650](https://nvd.nist.gov/vuln/detail/CVE-2026-89650)

### References from the CNA

- <https://git.kernel.org/stable/c/a6eaf7bd229d0940ba8f126c684a663a680abef1>
- <https://git.kernel.org/stable/c/0c4bcc3ba7291d383b82ce1c2fe324f69a42da2d>
- <https://git.kernel.org/stable/c/55a06b32438c222765138727d0a8164b103e8f0d>
- <https://git.kernel.org/stable/c/eb3e1a1cb1634c76d59c5a9cb1a026fc69d40911>
- <https://git.kernel.org/stable/c/3bf7dba8dba9a05774b846affec61a3624ddba38>
- <https://git.kernel.org/stable/c/58c2d3e954c13694ef6e820a5e9456461bb9e7df>
- <https://git.kernel.org/stable/c/332c444f4dc6fa1e8b8637c9e82d29e97f768656>
- <https://git.kernel.org/stable/c/a3eb169ee297aa99670ba927c659990bd1e453f3>

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-2026-89650>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-89650/>. Everything for agents: <https://agentprime.io/llms.txt>.