Out-of-Bounds Affecting kernel-zfcpdump-modules-extra package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELZFCPDUMPMODULESEXTRA-1975428
  • published27 Oct 2021
  • disclosed20 Apr 2021

Introduced: 20 Apr 2021

CVE-2021-42739  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-zfcpdump-modules-extra to version 0:4.18.0-372.9.1.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules-extra package and not the kernel-zfcpdump-modules-extra package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.

CVSS Scores

version 3.1