Memory corruption in Xen - CVE-2018-7541
Published: February 28, 2018 / Updated: July 28, 2020
Vulnerability identifier: #VU10779
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-7541
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition and gain elevated privileges on the target system.
The weakness exists due to an error when transitioning from v2 to v1. An adjacent attacker can trigger memory corruption, cause the service to crash and gain root privileges.
The weakness exists due to an error when transitioning from v2 to v1. An adjacent attacker can trigger memory corruption, cause the service to crash and gain root privileges.
Affected software
Xen
Debian Linux
Gentoo Linux
SUSE Linux
Fedora
xen (Alpine package)
xen
Debian Linux
Gentoo Linux
SUSE Linux
Fedora
xen (Alpine package)
xen
How to mitigate CVE-2018-7541
Install update from vendor's website.
xen (Alpine package) - update to 4.6.6-r4
xen - addressed in versions 4.8.3-3.fc26, 4.9.1-5.fc27
xen - addressed in versions 4.8.3-3.fc26, 4.9.1-5.fc27