# RDMA/efa: Fix PBL chunk length computation

CVE record · `CVE-2026-93264`

- **Identifiers:** `CVE-2026-93264`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:52 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: `40909f664d279765af430acc5db348a0b71c9b0a to before 665cd418b8561a099c3854443f8ad8ae751b72a0` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before 932e5684906a090644a9061fae2d254041c3b8f2` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before 489b28f2377afa70c18c45b06a6387f3d39bb123` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before aadf3f9b5edb7f0a77e9172b237d2e07c754829c` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before 3982714e15512b83115897806dacc94899683420` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before da7805f0211af19968584e621074f253ac07dba7` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before 1d4b5902773475fc97151379b7e5f09cad0fa57b` (git)
  - affected: `40909f664d279765af430acc5db348a0b71c9b0a to before 229b42d7450c1cf96f45ec39ebb69211b06bc036` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.2`
  - unaffected: `before 5.2` (semver)
  - unaffected: `5.10.270 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: `6.12.110 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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 10th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93264](https://www.cve.org/CVERecord?id=CVE-2026-93264)
- [NVD: CVE-2026-93264](https://nvd.nist.gov/vuln/detail/CVE-2026-93264)

### References from the CNA

- <https://git.kernel.org/stable/c/665cd418b8561a099c3854443f8ad8ae751b72a0>
- <https://git.kernel.org/stable/c/932e5684906a090644a9061fae2d254041c3b8f2>
- <https://git.kernel.org/stable/c/489b28f2377afa70c18c45b06a6387f3d39bb123>
- <https://git.kernel.org/stable/c/aadf3f9b5edb7f0a77e9172b237d2e07c754829c>
- <https://git.kernel.org/stable/c/3982714e15512b83115897806dacc94899683420>
- <https://git.kernel.org/stable/c/da7805f0211af19968584e621074f253ac07dba7>
- <https://git.kernel.org/stable/c/1d4b5902773475fc97151379b7e5f09cad0fa57b>
- <https://git.kernel.org/stable/c/229b42d7450c1cf96f45ec39ebb69211b06bc036>

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-2026-93264>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93264/>. Everything for agents: <https://agentprime.io/llms.txt>.