Vulnerabilities > CVE-2021-3930 - Off-by-one Error vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2020588
- https://bugzilla.redhat.com/show_bug.cgi?id=2020588
- https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
- https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20220225-0007/
- https://security.netapp.com/advisory/ntap-20220225-0007/