NULL Pointer Dereference Affecting perf package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
1.22% (65th percentile)

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  • Snyk IDSNYK-CENTOS7-PERF-1996202
  • published26 Jul 2021
  • disclosed19 Jan 2019

Introduced: 19 Jan 2019

CVE-2019-18885  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 perf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.

CVSS Base Scores

version 3.1