CVE-2015-4103
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
8.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.1%
Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
support.citrix.com/article/CTX201145
www.debian.org/security/2015/dsa-3284
www.debian.org/security/2015/dsa-3286
www.securityfocus.com/bid/74947
www.securitytracker.com/id/1032456
www.ubuntu.com/usn/USN-2630-1
xenbits.xen.org/xsa/advisory-128.html
security.gentoo.org/glsa/201604-03
support.citrix.com/article/CTX206006
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
8.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.1%