Off-by-one Error Affecting qemu-kvm package, versions <5.2.0-150300.112.4
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Test your applications- Snyk ID SNYK-SLES153-QEMUKVM-2638543
- published 14 Apr 2022
- disclosed 22 Mar 2022
Introduced: 22 Mar 2022
CVE-2021-3930 Open this link in a new tabHow to fix?
Upgrade SLES:15.3 qemu-kvm to version 5.2.0-150300.112.4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-kvm package and not the qemu-kvm package as distributed by SLES.
See How to fix? for SLES:15.3 relevant fixed versions and status.
An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.
References
- https://www.suse.com/security/cve/CVE-2021-3930.html
- https://bugzilla.suse.com/1192525
- https://bugzilla.suse.com/1192526
- https://bugzilla.redhat.com/show_bug.cgi?id=2020588
- https://security.netapp.com/advisory/ntap-20220225-0007/
- https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html