CVE-2014-8594
Not scored
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 service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Exploit probability
2.2%
Published
November 19, 2014
Required by
Not available
Last source change
April 10, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2014-8594
View original source
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).
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://secunia.com/advisories/62672
- http://www.debian.org/security/2015/dsa-3140
- http://www.securityfocus.com/bid/71149
- http://xenbits.xen.org/xsa/advisory-109.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98767
- https://security.gentoo.org/glsa/201504-04