Improper Input Validation Affecting torvalds/linux package, versions [,4.15)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.12% (33rd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005047
  • published26 Jan 2022
  • disclosed30 Aug 2018
  • creditUnknown

Introduced: 30 Aug 2018

CVE-2018-14619  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.15 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.

References

CVSS Base Scores

version 3.1