CVE-2017-2630
Qemu: nbd: oob stack write in client routine drop_sync
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · February 3, 2017
Updated · June 30, 2026
Description
A stack buffer overflow flaw was found in the Quick Emulator (QEMU) built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.
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 3.0 · 5.5CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS 2.0 · 4.6AV:N/AC:H/Au:S/C:P/I:P/A:P
CWE-121 · Stack-based Buffer Overflow