VulnerabilityModified
CVE-2015-4103
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…
MEDIUM 4.9EPSS 0.45%
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3284
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/74947
- http://www.securitytracker.com/id/1032456
- http://www.ubuntu.com/usn/USN-2630-1
- http://xenbits.xen.org/xsa/advisory-128.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
- https://support.citrix.com/article/CTX206006
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3284
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/74947
- http://www.securitytracker.com/id/1032456
- http://www.ubuntu.com/usn/USN-2630-1
- http://xenbits.xen.org/xsa/advisory-128.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.