CVE-2026-68236 Affecting perf package, versions <0:5.14.0-687.57.1.el9_8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-ROCKY9-PERF-20950970
  • published15 Oct 2026
  • disclosed10 Aug 2026

Introduced: 10 Aug 2026

CVE-2026-68236  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 perf to version 0:5.14.0-687.57.1.el9_8 or higher.
This issue was patched in RLSA-2026:81552.

NVD Description

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

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

drm/amd/display: set new_stream to NULL after release

In dm_update_crtc_state(), the skip_modeset path releases new_stream via dc_stream_release() but does not set the pointer to NULL.

If a later error (e.g., color management failure) triggers the fail label, the error path calls dc_stream_release() again on the same dangling pointer, causing a double release and potential use-after-free.

Fix this by setting new_stream to NULL after the initial release.

(cherry picked from commit 99f3af19073b3ddbfd96e789124cce12c4277b28)

CVSS Base Scores

version 3.1