Incorrect Conversion between Numeric Types Affecting perf package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-CENTOS6-PERF-15545473
  • published14 Mar 2026
  • disclosed14 Feb 2026

Introduced: 14 Feb 2026

CVE-2026-23149  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 perf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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

drm: Do not allow userspace to trigger kernel warnings in drm_gem_change_handle_ioctl()

Since GEM bo handles are u32 in the uapi and the internal implementation uses idr_alloc() which uses int ranges, passing a new handle larger than INT_MAX trivially triggers a kernel warning:

idr_alloc(): ... if (WARN_ON_ONCE(start < 0)) return -EINVAL; ...

Fix it by rejecting new handles above INT_MAX and at the same time make the end limit calculation more obvious by moving into int domain.

CVSS Base Scores

version 3.1