High7.0Red Hat & Ubuntu Linux
Fix mis-use of RCU in mlx4_srq_event()
CVE-2026-46181 Published May 28, 2026
CVE-2026-46181
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Fix mis-use of RCU in mlx4_srq_event(). Red Hat rates this important (CVSS 7). Weakness: CWE-366. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`).
Affected versions
- kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10
- kernel-0:5.14.0-427.135.1.el9_4
- kernel-rt-0:5.14.0-284.178.1.rt14.463.el9_2
- kernel-0:4.18.0-553.132.1.el8_10
- kernel-0:4.18.0-477.150.1.el8_8
- kernel-0:5.14.0-570.125.1.el9_6
- kernel-0:5.14.0-687.15.1.el9_8
- kernel-0:5.14.0-284.178.1.el9_2
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:25120
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25120 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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