Unscored severity · published Oct 2, 2014
CVE-2014-7156
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software…
–
CVSS
0.8%
EPSS
No
On KEV
Description
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
3.3.0; 3.3.1; 3.3.2; 4.1.0; 4.1.1; 4.1.2; +13 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-7156
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-7156
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
secunia.com
http://secunia.com/advisories/61500
secunia.com
http://secunia.com/advisories/61858
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