CVE-2026-80864: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp

Overview

Severity

Medium (CVSS 4.7)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-06

Last Updated

2026-09-24

EPSS Score

0.16% (percentile: 4.9%)

Affected Products (3)

Other

• 21684-17084
• 21892-17084
• 21932-17084

Revision History

• 2026-09-06: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.