CVE-2014-1895
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive…
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
Description
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.
- CVSS 2.0
- 5.8 MEDIUMAV:A/AC:M/Au:S/C:P/I:N/A:C
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/6
- http://xenbits.xen.org/xsa/advisory-85.htmlPatch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/02/07/12
- http://www.openwall.com/lists/oss-security/2014/02/10/6
- http://xenbits.xen.org/xsa/advisory-85.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.