Out-of-bounds Read Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-553.78.1.rt7.419.el8_10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-12552999
  • published8 Sept 2025
  • disclosed7 Sept 2025

Introduced: 7 Sep 2025

CVE-2025-39730  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-553.78.1.rt7.419.el8_10 or higher.
This issue was patched in RHSA-2025:17398.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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

NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

The function needs to check the minimal filehandle length before it can access the embedded filehandle.

CVSS Base Scores

version 3.1