Integer Underflow Affecting kernel-uek-debug-devel package, versions <0:4.1.12-124.91.3.el6uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKDEBUGDEVEL-8344120
  • published6 Nov 2024
  • disclosed16 Jul 2024

Introduced: 16 Jul 2024

CVE-2022-48804  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-debug-devel to version 0:4.1.12-124.91.3.el6uek or higher.
This issue was patched in ELSA-2024-12806.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-devel package and not the kernel-uek-debug-devel package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

vt_ioctl: fix array_index_nospec in vt_setactivate

array_index_nospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console should be decreased first and then sanitized with array_index_nospec.

Kasper Acknowledgements: Jakob Koschel, Brian Johannesmeyer, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU Amsterdam.

CVSS Scores

version 3.1