Input validation error in Xen and Fedora - CVE-2015-2751
Published: April 1, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40852
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-2751
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.
Affected software
Xen
Fedora
Gentoo Linux
SUSE Linux
xen
Fedora
Gentoo Linux
SUSE Linux
xen
How to mitigate CVE-2015-2751
Install update from vendor's website.
xen - addressed in versions 4.4.2-2.fc21, 4.5.0-7.fc22
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securityfocus.com/bid/73443
- http://www.securitytracker.com/id/1031997
- http://xenbits.xen.org/xsa/advisory-127.html
- https://security.gentoo.org/glsa/201504-04