CVE-2014-8866
The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers…
Does this matter?
Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.
Description
The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.
- CVSS 2.0
- 4.7 MEDIUMAV:L/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 0.43% probability · 37th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-17
- Affected
- debian/debian linux · xen/xen · opensuse/opensuse
- Source
- cve@mitre.org
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
- http://secunia.com/advisories/59937Permissions Required, Third Party Advisory
- http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
- http://support.citrix.com/article/CTX200288
- http://support.citrix.com/article/CTX201794Third Party Advisory
- http://www.debian.org/security/2015/dsa-3140Third Party Advisory
- http://www.securityfocus.com/bid/71332Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-111.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
- http://secunia.com/advisories/59937Permissions Required, Third Party Advisory
- http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
- http://support.citrix.com/article/CTX200288
- http://support.citrix.com/article/CTX201794Third Party Advisory
- http://www.debian.org/security/2015/dsa-3140Third Party Advisory
- http://www.securityfocus.com/bid/71332Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-111.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.