Use After Free Affecting torvalds/linux package, versions [,6.0-rc3)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-6157533
  • published16 Jan 2024
  • disclosed15 Jan 2024
  • creditUnknown

Introduced: 15 Jan 2024

CVE-2024-0562  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.0-rc3 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free due to improper synchronization between bdi_unregister and wb_inode_writeback_end functions. An attacker with local access can cause a denial of service or potentially execute arbitrary code by triggering this vulnerability when a disk is removed and the system attempts to access a recently freed bdi_writeback.

CVSS Base Scores

version 3.1