Memory Leak Affecting qemu-img package, versions <15:2.12.0-99.module+el8.2.0+6870+55b789b4.2
Threat Intelligence
EPSS
0.05% (17th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-QEMUIMG-2042572
- published 26 Jul 2021
- disclosed 17 Sep 2019
How to fix?
Upgrade Centos:8 qemu-img 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-img package and not the qemu-img 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.
References
- https://access.redhat.com/security/cve/CVE-2019-20382
- https://www.debian.org/security/2020/dsa-4665
- https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
- http://www.openwall.com/lists/oss-security/2020/03/05/1
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- https://access.redhat.com/errata/RHSA-2020:2774
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
- https://usn.ubuntu.com/4372-1/
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
CVSS Scores
version 3.1