Privilege escalation in Xen - CVE-2017-10918
Published: July 13, 2017
Vulnerability identifier: #VU7504
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-10918
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges.
The weakness exists due to improper validation of memory allocations during certain P2M operations. A local OS attacker can gain host privileges on the target system.
Successful exploitation of the vulnerability results in privilege escalation.
The weakness exists due to improper validation of memory allocations during certain P2M operations. A local OS attacker can gain host privileges on the target system.
Successful exploitation of the vulnerability results in privilege escalation.
Affected software
Xen
Gentoo Linux
Fedora
Opensuse
xen (Alpine package)
xen
Gentoo Linux
Fedora
Opensuse
xen (Alpine package)
xen
How to mitigate CVE-2017-10918
Install update from vendor's website.
xen (Alpine package) - update to 4.8.2-r0
xen - addressed in versions 4.6.5-7.fc24, 4.7.2-7.fc25, 4.8.1-4.fc26
xen - addressed in versions 4.6.5-7.fc24, 4.7.2-7.fc25, 4.8.1-4.fc26