medium5.0
CVE-2020-10761
An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | before 5.0.1 |
| Redhat | Enterprise Linux | Version 8.0 |
| Opensuse | Leap | Version 15.2 |
| Canonical | Ubuntu Linux | Versions 16.04, 18.04, 20.04 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200731-0001/
- https://usn.ubuntu.com/4467-1/
- https://www.openwall.com/lists/oss-security/2020/06/09/1
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200731-0001/
- https://usn.ubuntu.com/4467-1/
- https://www.openwall.com/lists/oss-security/2020/06/09/1