Use After Free Affecting torvalds/linux package, versions [2.6.12-rc2,6.4-rc1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5673100
  • published8 Jun 2023
  • disclosed8 Jun 2023
  • creditUnknown

Introduced: 8 Jun 2023

CVE-2023-34255  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.4-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in the xfs_btree_lookup_get_block() function in fs/xfs/libxfs/xfs_btree.c because fs/xfs/xfs_buf_item_recover.c does not perform buffer content verification when log replay is skipped.

CVSS Base Scores

version 3.1