Privilege escalation in Xen - CVE-2017-10915
Published: July 13, 2017
Vulnerability identifier: #VU7502
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-2017-10915
CWE-ID: CWE-362
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 a race condition when managing page references by the shadow-paging feature.. A local OS attacker can gain Xen privileges on the target system.
Successful exploitation of the vulnerability results in privilege escalation.
The weakness exists due to a race condition when managing page references by the shadow-paging feature.. A local OS attacker can gain Xen 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-2017-10915
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