CVE-2014-8594
MEDIUM · CVSS 5.4EPSS 2.2%EU EUVD
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).
Key facts
- CVSS score
- 5.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:H/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-20
- EPSS score
- 2.2% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-8431)
- Published
- November 19, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-8431 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- debian / debian linux
- opensuse / opensuse
- opensuse / opensuse
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
References
- 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(Third Party Advisory)
- http://secunia.com/advisories/62672(Permissions Required)
- http://www.debian.org/security/2015/dsa-3140(Third Party Advisory)
- http://www.securityfocus.com/bid/71149
- http://xenbits.xen.org/xsa/advisory-109.html(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98767
- https://security.gentoo.org/glsa/201504-04
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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