CVE-2014-1895
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2...
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.
Exploit likelihood
What each source reports
NVD Score used
5.8
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.
- Record
CVE-2014-1895- CVSS 2.0
- 5.8 Medium
AV:A/AC:M/Au:S/C:P/I:N/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-1895- Updated
- 2026-11-02
EUVDEUVD-2014-1957 No score
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.
- Record
EUVD-2014-1957- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h86q-v7x4-qx4x No score
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2...
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.
- Record
GHSA-h86q-v7x4-qx4x- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2014-1895- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-1895 No score
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.
- Record
DEBIAN-CVE-2014-1895- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-1895 is a medium vulnerability (CVSS 5.8) in Xen, published April 1, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. Fixed in xen 4.4.0-1.
References
lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
security.gentoo.org/glsa/glsa-201407-03.xml
xenbits.xen.org/xsa/advisory-85.html
openwall.com/lists/oss-security/2014/02/07/12
openwall.com/lists/oss-security/2014/02/10/6
nvd.nist.gov/vuln/detail/CVE-2014-1895
github.com/advisories/GHSA-h86q-v7x4-qx4x
security-tracker.debian.org/tracker/CVE-2014-1895