# svcrdma: Fix pcl_for_each_segment for empty chunks

CVE record · `CVE-2026-89532`

- **Identifiers:** `CVE-2026-89532`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 1e2e3481e39103a386b86be1c33eaef97cbdf16e` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 3a78b841879c2a3243f74edc514236fb2907167f` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 06d0390c37fa6714624af771bd72bbf1a7ed9bb1` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 9c5a03c3dc505c0295339b0a1b9e4fe36447e482` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before a1c954ca4977a4e6ec73ef92fe48073ec54f9fc8` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 6d33a7e6bf6c6b293a266a617201285a1ad32c56` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before b7713a784c59515d0aba558c8f5df6a0164dd3a9` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.11`
  - unaffected: `before 5.11` (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:** 0.0050, the 43rd 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-2026-89532](https://www.cve.org/CVERecord?id=CVE-2026-89532)
- [NVD: CVE-2026-89532](https://nvd.nist.gov/vuln/detail/CVE-2026-89532)

### References from the CNA

- <https://git.kernel.org/stable/c/1e2e3481e39103a386b86be1c33eaef97cbdf16e>
- <https://git.kernel.org/stable/c/3a78b841879c2a3243f74edc514236fb2907167f>
- <https://git.kernel.org/stable/c/06d0390c37fa6714624af771bd72bbf1a7ed9bb1>
- <https://git.kernel.org/stable/c/9c5a03c3dc505c0295339b0a1b9e4fe36447e482>
- <https://git.kernel.org/stable/c/a1c954ca4977a4e6ec73ef92fe48073ec54f9fc8>
- <https://git.kernel.org/stable/c/6d33a7e6bf6c6b293a266a617201285a1ad32c56>
- <https://git.kernel.org/stable/c/b7713a784c59515d0aba558c8f5df6a0164dd3a9>

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-2026-89532>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89532/>. Everything for agents: <https://agentprime.io/llms.txt>.