Out-of-bounds Write Affecting qemu-img package, versions <15:4.2.0-48.module+el8.4.0+10368+630e803b
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Test your applications- Snyk ID SNYK-CENTOS8-QEMUIMG-2105165
- published 26 Jul 2021
- disclosed 3 Dec 2020
How to fix?
Upgrade Centos:8 qemu-img to version 15:4.2.0-48.module+el8.4.0+10368+630e803b 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.
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.
References
- https://security.netapp.com/advisory/ntap-20210115-0006/
- https://access.redhat.com/security/cve/CVE-2020-27821
- https://bugzilla.redhat.com/show_bug.cgi?id=1902651
- http://www.openwall.com/lists/oss-security/2020/12/16/6
- https://access.redhat.com/errata/RHSA-2021:1762
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html