Use After Free Affecting torvalds/linux package, versions [,6.4-rc6)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-6044727
  • published3 Nov 2023
  • disclosed3 Nov 2023
  • creditu1f383

Introduced: 3 Nov 2023

CVE-2023-1194  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.4-rc6 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the parse_lease_state function due to a missing check of NameOffset. An attacker can access invalid memory through the create_context object by sending the CREATE command with a malformed payload to KSMBD.

CVSS Base Scores

version 3.1