CVE-2026-53114

MediumCVSS 5.5/10Last modified Nov 6, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler

Calling perf_allow_kernel() from the NMI context is unsafe and could be fatal. Capture the permission at event-initialization time by storing it in event->hw.flags, and have the NMI handler rely on that cached flag instead of making the call directly.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 50a53b60e141d7e31368a87e222e4dd5597bd4ae, < 2783ed2442ce69ae240b787aee6dae801cef7aec; >= 50a53b60e141d7e31368a87e222e4dd5597bd4ae, < 0584e74fa2b27e9e722cfb5b579f79263df20040; >= 50a53b60e141d7e31368a87e222e4dd5597bd4ae, < b0a09142622a994c4f4088c3f61db5da87cfc711
LinuxLinux6.14

References

Timeline

Published
Jun 24, 2026
Last modified
Nov 6, 2026
NVD status
Analyzed

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CVE-2026-53114: Medium severity, CVSS 5.5 | Vulnix