Out-of-Bounds Affecting torvalds/linux package, versions [,6.4-rc1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.4% (60th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5518111
  • published11 May 2023
  • disclosed3 May 2023
  • creditUnknown

Introduced: 3 May 2023

CVE-2023-2598  (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 Out-of-Bounds in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) allows access to physical memory beyond the end of the buffer. This can be used to achieve full local privilege escalation.

CVSS Base Scores

version 3.1