Use After Free Affecting kernel-uek-doc package, versions <0:4.1.12-124.20.1.el6uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
3.21% (87th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKDOC-2531698
  • published10 Apr 2022
  • disclosed19 Sept 2018

Introduced: 19 Sep 2018

CVE-2018-17182  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-doc to version 0:4.1.12-124.20.1.el6uek or higher.
This issue was patched in ELSA-2018-4244.

NVD Description

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

An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.

CVSS Base Scores

version 3.1