Description
An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat QEMU:
all QEMU versions before QEMU 5.0.1affected
References
- https://www.openwall.com/lists/oss-security/2020/06/09/1 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html ↗
- https://security.netapp.com/advisory/ntap-20200731-0001/ ↗
- https://usn.ubuntu.com/4467-1/ ↗
- https://security.gentoo.org/glsa/202011-09 ↗