Access Restriction Bypass Affecting torvalds/linux package, versions [,2.6.9]


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.08% (25th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3004280
  • published26 Jan 2022
  • disclosed18 Sept 2009
  • creditUnknown

Introduced: 18 Sep 2009

CVE-2009-1883  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

There is no fixed version for torvalds/linux.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

References

CVSS Base Scores

version 3.1