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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-53114

perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handlerCVE-2026-53114

Answer in brief

CVE-2026-53114 records a Unknown severity vulnerability in perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 24, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Jun 24, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=50a53b60e141d7e31368a87e222e4dd5597bd4ae <2783ed2442ce69ae240b787aee6dae801cef7aec || >=50a53b60e141d7e31368a87e222e4dd5597bd4ae <0584e74fa2b27e9e722cfb5b579f79263df20040 || >=50a53b60e141d7e31368a87e222e4dd5597bd4ae <b0a09142622a994c4f4088c3f61db5da87cfc7112783ed2442ce69ae240b787aee6dae801cef7aec, 0584e74fa2b27e9e722cfb5b579f79263df20040, b0a09142622a994c4f4088c3f61db5da87cfc711
Linux/Linuxgeneric6.14Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 2783ed2442ce69ae240b787aee6dae801cef7aec if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jun 24, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 6, 2026
References
3 linked sources
Open source record