Memory Leak Affecting qemu-kvm-core package, versions <15:2.12.0-99.module+el8.2.0+6870+55b789b4.2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-CENTOS8-QEMUKVMCORE-2040937
  • published26 Jul 2021
  • disclosed17 Sept 2019

Introduced: 17 Sep 2019

CVE-2019-20382  (opens in a new tab)
CWE-401  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Centos:8 qemu-kvm-core to version 15:2.12.0-99.module+el8.2.0+6870+55b789b4.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-core package and not the qemu-kvm-core package as distributed by Centos. See How to fix? for Centos: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 Scores

version 3.1