Published: 09/06/2020 Updated: 07/11/2023

CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8

CVSS v3 Base Score: 5 | Impact Score: 1.4 | Exploitability Score: 3.1

VMScore: 356

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
qemu qemu
redhat enterprise linux 8.0
opensuse leap 15.2
canonical ubuntu linux 18.04
canonical ubuntu linux 20.04
canonical ubuntu linux 16.04

oss-sec mailing list archives   By Date By Thread </form>    CVE-2020-10761 QEMU: nbd: reachable assertion failure innbd_negotiate_send_rep_verr via remote client <!--X-Subject-Header-End ...

CWE-617 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761 https://www.openwall.com/lists/oss-security/2020/06/09/1 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 https://nvd.nist.gov http://seclists.org/oss-sec/2020/q2/174

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CVE-2020-10761

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