Missing Release of Resource after Effective Lifetime Affecting virt:rhel/seabios package, versions <0:1.11.1-4.module+el8.1.0+4066+0f1aadab


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.87% (54th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-3798147
  • published26 Jul 2021
  • disclosed17 Sept 2019

Introduced: 17 Sep 2019

CVE-2019-20382  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/seabios to version 0:1.11.1-4.module+el8.1.0+4066+0f1aadab or higher.
This issue was patched in RHSA-2020:2774.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/seabios package and not the virt:rhel/seabios package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

CVSS Base Scores

version 3.1