Use After Free Affecting kernel-abi-whitelists package, versions <0:3.10.0-1160.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.31% (70th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELABIWHITELISTS-2561803
  • published10 Apr 2022
  • disclosed12 Dec 2019

Introduced: 12 Dec 2019

CVE-2019-19767  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-abi-whitelists to version 0:3.10.0-1160.el7 or higher.
This issue was patched in ELSA-2020-4060.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists package and not the kernel-abi-whitelists package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

CVSS Scores

version 3.1