Denial of service in Xen - CVE-2017-17564
Published: February 16, 2018
Vulnerability identifier: #VU10616
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-2017-17564
CWE-ID: CWE-388
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition or gain elevated privileges.
The weakness exists due to improper error handling for reference counts. A remote attacker can trigger memory corruption, cause the hypervisor to crash or gain elevated privileges on the target system.
The weakness exists due to improper error handling for reference counts. A remote attacker can trigger memory corruption, cause the hypervisor to crash or gain elevated privileges on the target system.
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-2017-17564
Install update from vendor's website.
xen (Alpine package) - update to 4.6.6-r3
xen - addressed in versions 4.8.2-9.fc26, 4.9.1-4.fc27
xen - addressed in versions 4.8.2-9.fc26, 4.9.1-4.fc27
External References
Related Security Bulletins
- Multiple vulnerabilities in Xen
- Debian update for xen
- SUSE Linux update for xen
- OpenSUSE Linux update for xen
- SUSE Linux update for xen
- SUSE Linux update for xen
- SUSE Linux update for xen
- SUSE Linux update for xen
- SUSE Linux update for xen
- Denial of service in xen (Alpine package)
- Gentoo update for Xen
- Fedora 27 update for xen
- Fedora 26 update for xen