Improper update of reference count in Linux kernel - CVE-2026-93224

 

Improper update of reference count in Linux kernel - CVE-2026-93224

Published: September 25, 2026


Vulnerability identifier: #VU152178
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93224
CWE-ID: CWE-911
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper resource cleanup in the svc_rdma_accept() error-handling path and rpcrdma_rn_unregister() when handling a failed RDMA transport accept. A remote attacker can trigger failed RDMA transport accepts to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-93224

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins