Information Exposure Affecting torvalds/linux package, versions [,6.2-rc5)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (25th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5750787
  • published3 Jul 2023
  • disclosed21 Jan 2023
  • creditJordy Zomer

Introduced: 21 Jan 2023

CVE-2023-0458  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.2-rc5 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure via speculative pointer dereference (Spectre) in the do_prlimit() function in kernel/sys.c. The resource argument value is controlled and used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents.

CVSS Base Scores

version 3.1