Skip to content
OpenAdvisories
High RLSA-2025:3264 1 CVE

Important: kernel-rt security update

Published Jul 29, 2025 · Updated Jul 29, 2025

Summary

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (CVE-2025-21785)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 kernel-rt 0:4.18.0-553.46.1.rt7.387.el8_10

Vulnerabilities 1

  • High 7.8

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array

    In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache le…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2348630