Out-of-bounds Write Affecting qemu-chardev-spice package, versions <5.2.0-17.1
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Test your applications- Snyk ID SNYK-SLES153-QEMUCHARDEVSPICE-2676956
- published 14 Apr 2022
- disclosed 10 Jun 2021
Introduced: 10 Jun 2021
CVE-2020-27821 Open this link in a new tabHow to fix?
Upgrade SLES:15.3 qemu-chardev-spice to version 5.2.0-17.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-chardev-spice package and not the qemu-chardev-spice package as distributed by SLES.
See How to fix? for SLES:15.3 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://www.suse.com/security/cve/CVE-2020-27821.html
- https://bugzilla.suse.com/1179686
- https://bugzilla.redhat.com/show_bug.cgi?id=1902651
- http://www.openwall.com/lists/oss-security/2020/12/16/6
- https://security.netapp.com/advisory/ntap-20210115-0006/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html