Improper Handling of Missing Special Element Affecting libperf package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-RHEL10-LIBPERF-16543877
  • published9 May 2026
  • disclosed8 May 2026

Introduced: 8 May 2026

NewCVE-2026-43321  (opens in a new tab)
CWE-166  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 libperf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libperf package and not the libperf package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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

bpf: Properly mark live registers for indirect jumps

For a gotox rX instruction the rX register should be marked as used in the compute_insn_live_regs() function. Fix this.

CVSS Base Scores

version 3.1