Incorrect Behavior Order: Authorization Before Parsing and Canonicalization Affecting libperf-devel package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-RHEL9-LIBPERFDEVEL-17469752
  • published25 Jun 2026
  • disclosed24 Jun 2026

Introduced: 24 Jun 2026

NewCVE-2026-52920  (opens in a new tab)
CWE-551  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 libperf-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libperf-devel package and not the libperf-devel package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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

netfilter: xt_policy: fix strict mode inbound policy matching

match_policy_in() walks sec_path entries from the last transform to the first one, but strict policy matching needs to consume info->pol[] in the same forward order as the rule layout.

Derive the strict-match policy position from the number of transforms already consumed so that multi-element inbound rules are matched consistently.

CVSS Base Scores

version 3.1