VulnerabilityModified
CVE-2015-7812
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
MEDIUM 4.9EPSS 0.40%
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
- CVSS 2.0
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 0.40% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://www.debian.org/security/2015/dsa-3414
- http://www.securitytracker.com/id/1034031
- http://xenbits.xen.org/xsa/advisory-145.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://www.debian.org/security/2015/dsa-3414
- http://www.securitytracker.com/id/1034031
- http://xenbits.xen.org/xsa/advisory-145.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201604-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.