CVE-2024-38545
kernel: RDMA/hns: Fix UAF for cq async event
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 19, 2024
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel hns RDMA driver. The completion-queue reference count is updated without a lock, so an asynchronous CQ event can use the queue after it has been destroyed. A local user of that RDMA device can cause a use-after-free.
Statement
Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.
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 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free