# RDMA/erdma: Hold QP references for AE and CM processing

CVE record · `CVE-2026-90308`

- **Identifiers:** `CVE-2026-90308`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:08 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: `155055771704f8cbb5c176a4309b7dc30a50450c to before 92101d7bd67cf313d65baede27118614a283f6bf` (git)
  - affected: `155055771704f8cbb5c176a4309b7dc30a50450c to before 233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8` (git)
  - affected: `155055771704f8cbb5c176a4309b7dc30a50450c to before 6e32f84b63c054e09392153125d7202abab2d14b` (git)
  - affected: `155055771704f8cbb5c176a4309b7dc30a50450c to before ec987c0654651036dad6a42f7fa2a6d7c16a3687` (git)
  - affected: `155055771704f8cbb5c176a4309b7dc30a50450c to before c92686867638cda954fdb2bdbac8a75e3aa6eaae` (git)
  - affected: `155055771704f8cbb5c176a4309b7dc30a50450c to before a52eeff32024f190b3bdc99088c7becccd4fa60b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (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

- 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90308](https://www.cve.org/CVERecord?id=CVE-2026-90308)
- [NVD: CVE-2026-90308](https://nvd.nist.gov/vuln/detail/CVE-2026-90308)

### References from the CNA

- <https://git.kernel.org/stable/c/92101d7bd67cf313d65baede27118614a283f6bf>
- <https://git.kernel.org/stable/c/233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8>
- <https://git.kernel.org/stable/c/6e32f84b63c054e09392153125d7202abab2d14b>
- <https://git.kernel.org/stable/c/ec987c0654651036dad6a42f7fa2a6d7c16a3687>
- <https://git.kernel.org/stable/c/c92686867638cda954fdb2bdbac8a75e3aa6eaae>
- <https://git.kernel.org/stable/c/a52eeff32024f190b3bdc99088c7becccd4fa60b>

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-2026-90308>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90308/>. Everything for agents: <https://agentprime.io/llms.txt>.