CVE-2014-1895 — Vulnetix

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CVE-2014-1895 PUBLISHED CVSS 5.800000190734863 MEDIUM

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.

EPSS 0.10% · 28.6th percentile

Risk Scores

CVSS v2.0

5.800000190734863

EPSS Score

0.10%

28.6th percentile

Affected Products

Vendor	Product	Versions
xen	xen	4.2.2, 4.2.0, 4.2.1
n/a	n/a	n/a

Timeline

Feb 10, 2014 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Sep 1, 2022 EPSS Score
Oct 23, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score

References

http://xenbits.xenproject.org/xsa/advisory-85.html advisory
http://xenbits.xenproject.org/xsa/advisory-87.html advisory
http://xenbits.xenproject.org/xsa/advisory-84.html advisory
http://xenbits.xenproject.org/xsa/advisory-86.html advisory
SUSE-SU-2014:0373 vendor-advisory
GLSA-201407-03 vendor-advisory
http://xenbits.xen.org/xsa/advisory-85.html url
[oss-security] 20140207 Re: Xen Security Advisory 84 - integer overflow in several XSM/Flask hypercalls mailing-list
[oss-security] 20140210 Xen Security Advisory 85 (CVE-2014-1895) - Off-by-one error in FLASK_AVC_CACHESTAT hypercall mailing-list
https://nvd.nist.gov/vuln/detail/CVE-2014-1895 advisory

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