Out-of-bounds Read Affecting kernel-source-azure package, versions <6.4.0-150700.20.11.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-SLES157-KERNELSOURCEAZURE-12239477
  • published29 Aug 2025
  • disclosed28 Aug 2025

Introduced: 28 Aug 2025

CVE-2025-38375  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-source-azure to version 6.4.0-150700.20.11.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-source-azure package and not the kernel-source-azure package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

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

virtio-net: ensure the received length does not exceed allocated size

In xdp_linearize_page, when reading the following buffers from the ring, we forget to check the received length with the true allocate size. This can lead to an out-of-bound read. This commit adds that missing check.

CVSS Base Scores

version 3.1