CVE-2020-10761
QEMU: nbd: reachable assertion failure in nbd_negotiate_send_rep_verr via remote client
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 8, 2020
Updated · June 28, 2026
Description
An assertion failure issue was found in the Network Block Device(NBD) Server of the QEMU. 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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CWE-617 · Reachable Assertion