Out-of-bounds Read Affecting torvalds/linux package, versions [,6.6-rc1)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5952339
  • published10 Oct 2023
  • disclosed9 Oct 2023
  • creditLucas Leong

Introduced: 9 Oct 2023

CVE-2023-39193  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.6-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in the sctp_mt_check function of the Netfilter subsystem. An attacker with local privileges CAP_NET_ADMIN can lead to a system crash or information disclosure.

Note: This is only exploitable if the flag_count field is not validated.

CVSS Base Scores

version 3.1