NULL Pointer Dereference Affecting torvalds/linux package, versions [,5.3.14)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.08% (77th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005139
  • published26 Jan 2022
  • disclosed21 Nov 2019
  • creditUnknown

Introduced: 21 Nov 2019

CVE-2019-19037  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.3.14 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.

References

CVSS Base Scores

version 3.1