Access Restriction Bypass Affecting qemu package, versions <1:2.3+dfsg-5
Snyk CVSS
Attack Complexity
Low
Availability
High
Threat Intelligence
EPSS
0.06% (27th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-428082
- published 3 Jun 2015
- disclosed 3 Jun 2015
Introduced: 3 Jun 2015
CVE-2015-4103 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
qemu
to version 1:2.3+dfsg-5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2015-4103
- http://www.debian.org/security/2015/dsa-3284
- http://www.debian.org/security/2015/dsa-3286
- 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
- https://security.gentoo.org/glsa/201604-03
- https://support.citrix.com/article/CTX206006
- http://support.citrix.com/article/CTX201145
- http://xenbits.xen.org/xsa/advisory-128.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://www.securityfocus.com/bid/74947
- http://www.securitytracker.com/id/1032456
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-4103
- http://www.ubuntu.com/usn/USN-2630-1