CVE-2025-38546 Affecting kernel-zfcpdump-modules-core package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELZFCPDUMPMODULESCORE-12020345
  • published19 Aug 2025
  • disclosed16 Aug 2025

Introduced: 16 Aug 2025

NewCVE-2025-38546  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-zfcpdump-modules-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules-core package and not the kernel-zfcpdump-modules-core package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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

atm: clip: Fix memory leak of struct clip_vcc.

ioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to vcc->user_back.

The code assumes that vcc_destroy_socket() passes NULL skb to vcc->push() when the socket is close()d, and then clip_push() frees clip_vcc.

However, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in atm_init_atmarp(), resulting in memory leak.

Let's serialise two ioctl() by lock_sock() and check vcc->push() in atm_init_atmarp() to prevent memleak.

CVSS Base Scores

version 3.1