Integer Underflow Affecting kernel-uek-devel package, versions <0:5.4.17-2136.304.4.1.el8uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
1% (84th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEVEL-2603962
  • published10 Apr 2022
  • disclosed11 Feb 2022

Introduced: 11 Feb 2022

CVE-2022-0185  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-devel to version 0:5.4.17-2136.304.4.1.el8uek or higher.
This issue was patched in ELSA-2022-9147.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.

CVSS Scores

version 3.1