{"id":"CVE-2014-1895","aliases":["DEBIAN-CVE-2014-1895","EUVD-2014-1957","GHSA-h86q-v7x4-qx4x"],"status":"published","title":"Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2...","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.","severity":{"version":"2.0","score":5.8,"vector":"AV:A/AC:M/Au:S/C:P/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00525,"percentile":0.44798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2014-04-01T01:00:00Z","modified":"2026-10-23T15:47:35Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://security.gentoo.org/glsa/glsa-201407-03.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://xenbits.xen.org/xsa/advisory-85.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2014/02/07/12","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2014/02/10/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-1895"},{"url":"https://github.com/advisories/GHSA-h86q-v7x4-qx4x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-1895","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2014-1895","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.","status":"published","published":"2014-04-01T01:00:00Z","modified":"2024-08-06T09:58:15.56Z","updated_at":"2026-11-02T14:33:45.938615Z"}],"euvd":[{"id":"EUVD-2014-1957","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.","status":"published","published":"2014-04-01T01:00:00Z","modified":"2024-08-06T09:58:15Z","updated_at":"2026-11-03T01:57:16.268492Z"}],"ghsa":[{"id":"GHSA-h86q-v7x4-qx4x","title":"Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2...","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.","status":"published","published":"2022-05-17T03:06:13Z","modified":"2023-01-27T05:07:22Z","updated_at":"2026-11-02T14:43:06.43436Z"}],"nvd":[{"id":"CVE-2014-1895","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.","status":"published","published":"2014-04-01T06:35:53.577Z","modified":"2026-06-17T00:05:42.99Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:A/AC:M/Au:S/C:P/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:53.710973Z"}],"osv":[{"id":"CVE-2014-1895","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.","status":"published","published":"2014-04-01T06:35:53Z","modified":"2026-04-10T03:43:38.394921Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2014-1895","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.","status":"published","published":"2014-04-01T06:35:53.577Z","modified":"2026-10-23T15:47:35.714790168Z","updated_at":"2026-11-02T15:45:25.819707Z"}]}}