{"id":"CVE-2015-8615","aliases":["DEBIAN-CVE-2015-8615","DLA-479-1","EUVD-2015-8492","GHSA-5p4h-mjwj-j325","openSUSE-SU-2024:10196-1"],"status":"published","title":"The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of...","description":"The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).","severity":{"version":"3.0","score":5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01163,"percentile":0.67438,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-254"],"published":"2016-01-08T19:00:00Z","modified":"2026-09-09T07:01:56Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.8.0~rc3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.8.0~rc3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.8.0~rc3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0~rc3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0~rc3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0~rc3-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.6.1-1+deb7u1"}]}],"versions":["4.1.4-3","4.1.4-3+deb7u1","4.1.4-3+deb7u2","4.1.4-3+deb7u3","4.1.4-3+deb7u4","4.1.4-3+deb7u5","4.1.4-3+deb7u6","4.1.4-3+deb7u7","4.1.4-3+deb7u8","4.1.4-3+deb7u9","4.1.4-4"],"bundled":19},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.0_12-1.3"}]}],"bundled":124}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"http://xenbits.xen.org/xsa/advisory-169.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor 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hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).","status":"published","published":"2016-01-08T19:00:00Z","modified":"2024-08-06T08:20:43.667Z","updated_at":"2026-11-02T14:35:40.900357Z"}],"euvd":[{"id":"EUVD-2015-8492","description":"The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).","status":"published","published":"2016-01-08T19:00:00Z","modified":"2024-08-06T08:20:43Z","updated_at":"2026-11-03T01:57:26.810911Z"}],"ghsa":[{"id":"GHSA-5p4h-mjwj-j325","title":"The hvm_set_callback_via 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