A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-35504
• https://bugzilla.redhat.com/show_bug.cgi?id=1909766
• https://security.netapp.com/advisory/ntap-20210713-0006/
• https://www.openwall.com/lists/oss-security/2021/04/16/3
• http://www.openwall.com/lists/oss-security/2021/04/16/3
• https://security.gentoo.org/glsa/202208-27
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html