Unscored severity · published Nov 19, 2014
CVE-2014-8594
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of…
–
CVSS
2.2%
EPSS
No
On KEV
Description
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0 · source: NVD
OP
Opensuse · Opensuse
13.1; 13.2 · source: NVD
XE
Xen · Xen
4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.1.0; +12 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-8594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-8594
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
Permissions Required
http://secunia.com/advisories/62672
Third Party Advisory
http://www.debian.org/security/2015/dsa-3140
www.securityfocus.com
http://www.securityfocus.com/bid/71149
Patch
http://xenbits.xen.org/xsa/advisory-109.html
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