CVE-2026-90308
kernel: RDMA/erdma: Hold QP references for AE and CM processing
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 31, 2026
Description
A flaw was found in the Linux kernel's RDMA/erdma component. A race condition exists where Queue Pair (QP) resources can be prematurely freed while still being referenced by other processes. This can lead to a use-after-free vulnerability, potentially allowing an attacker to cause system instability or execute arbitrary code.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference