# svcrdma: Reject Write/Reply chunks with segcount 0

CVE record · `CVE-2026-93228`

- **Identifiers:** `CVE-2026-93228`
- **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:** 24 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:29 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 ac730b8cbaeec6831116e1455d909ecbdcdcbd34` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 28c5a3a572f6cf81ac304459cfd515480995d62a` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before fe533ae1bed2ef2b3d54ee7ab410da1874ed3d4f` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before a798714b58041e88716db3bf8fb03ae13eecd54a` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 45dbdb2637b7fc5f1355b588780d2a7fb0516805` (git)
  - affected: `78147ca8b4a9b6cf0e597ddd6bf17959e08376c2 to before 9808eb7656666acc7291bae9ab6b987bd16e47e0` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.11`
  - unaffected: `before 5.11` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93228](https://www.cve.org/CVERecord?id=CVE-2026-93228)
- [NVD: CVE-2026-93228](https://nvd.nist.gov/vuln/detail/CVE-2026-93228)

### References from the CNA

- <https://git.kernel.org/stable/c/ac730b8cbaeec6831116e1455d909ecbdcdcbd34>
- <https://git.kernel.org/stable/c/28c5a3a572f6cf81ac304459cfd515480995d62a>
- <https://git.kernel.org/stable/c/fe533ae1bed2ef2b3d54ee7ab410da1874ed3d4f>
- <https://git.kernel.org/stable/c/a798714b58041e88716db3bf8fb03ae13eecd54a>
- <https://git.kernel.org/stable/c/45dbdb2637b7fc5f1355b588780d2a7fb0516805>
- <https://git.kernel.org/stable/c/9808eb7656666acc7291bae9ab6b987bd16e47e0>

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-2026-93228>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93228/>. Everything for agents: <https://agentprime.io/llms.txt>.