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
EPSS Score
0.16% (percentile: 5.1%)

Affected Products (1)

Other

  • 21684-17084

Revision History

  • 2026-09-06: Information published.