# RDMA/mad: Fix receive buffer leak when PKey enforcement fails

CVE record · `CVE-2026-98354`

- **Identifiers:** `CVE-2026-98354`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 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: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 4617c9a856188674dddb0ca66979746d07688579` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 8e2036fb47a5b152d53eadbd35abf311bd34cc7f` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before bad289e42f512646a988f278f536d21547df73f1` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 752b30e9d339008e5ce7eed412e9446078916129` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 39c4ea72a40503e102ae07e6776005f96ca078a6` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 5091e25ec503f7fc02723ca435226467b68caac7` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before c0d8df85db146d6275e226cb950023be69dd6c77` (git)
  - affected: `47a2b338fe63200d716d2e24131cdb49f17c77da to before 3476c28c9addfa253f505e6bd87f1f5598b961d0` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.13`
  - unaffected: `before 4.13` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0016, the 5th percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98354](https://www.cve.org/CVERecord?id=CVE-2026-98354)
- [NVD: CVE-2026-98354](https://nvd.nist.gov/vuln/detail/CVE-2026-98354)

### References from the CNA

- <https://git.kernel.org/stable/c/4617c9a856188674dddb0ca66979746d07688579>
- <https://git.kernel.org/stable/c/8e2036fb47a5b152d53eadbd35abf311bd34cc7f>
- <https://git.kernel.org/stable/c/bad289e42f512646a988f278f536d21547df73f1>
- <https://git.kernel.org/stable/c/752b30e9d339008e5ce7eed412e9446078916129>
- <https://git.kernel.org/stable/c/39c4ea72a40503e102ae07e6776005f96ca078a6>
- <https://git.kernel.org/stable/c/5091e25ec503f7fc02723ca435226467b68caac7>
- <https://git.kernel.org/stable/c/c0d8df85db146d6275e226cb950023be69dd6c77>
- <https://git.kernel.org/stable/c/3476c28c9addfa253f505e6bd87f1f5598b961d0>

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-2026-98354>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-98354/>. Everything for agents: <https://agentprime.io/llms.txt>.