Memory leak in QEMU - CVE-2017-8086
Published: June 6, 2017 / Updated: December 9, 2025
Vulnerability identifier: #VU6940
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8086
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the v9fs_list_xattr() function in hw/9pfs/9p-xattr.c. A local user can force the application to leak memory and perform denial of service attack.
Affected software
QEMU
How to mitigate CVE-2017-8086
Install update from vendor's website.
QEMU - update to 2.9.0