Improper Access Control Affecting torvalds/linux package, versions [4.4.111,4.4.120)[4.9.76,4.9.86)[4.14.8,4.14.24)[4.15.1,4.15.8)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.31% (54th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3004896
  • published26 Jan 2022
  • disclosed9 Feb 2018
  • creditUnknown

Introduced: 9 Feb 2018

CVE-2018-1000028  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.4.120, 4.9.86, 4.14.24, 4.15.8 or higher.

Overview

Affected versions of this package are vulnerable to Improper Access Control. Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

References

CVSS Base Scores

version 3.1