Improper input validation in Xen - CVE-2017-15591
Published: October 16, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU8833
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-15591
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists in x86 systems due to improper request processing. An adjacent attacker can use a domain that controls a guest system and cause the system to crash.
Successful exploitation of the vulnerability may result in denial of service.
The weakness exists in x86 systems due to improper request processing. An adjacent attacker can use a domain that controls a guest system and cause the system to crash.
Successful exploitation of the vulnerability may result in denial of service.
Affected software
Xen
Gentoo Linux
Fedora
xen (Alpine package)
xen
Gentoo Linux
Fedora
xen (Alpine package)
xen
How to mitigate CVE-2017-15591
Install update from vendor's website.
xen (Alpine package) - update to 4.7.6-r0
xen - addressed in versions 4.7.3-7.fc25, 4.7.3-9.fc25, 4.7.4-1.fc25, 4.8.2-4.fc26, 4.9.0-12.fc27, 4.9.0-14.fc27
xen - addressed in versions 4.7.3-7.fc25, 4.7.3-9.fc25, 4.7.4-1.fc25, 4.8.2-4.fc26, 4.9.0-12.fc27, 4.9.0-14.fc27