{"id":"CVE-2015-6815","aliases":["DEBIAN-CVE-2015-6815","DSA-3361-1","DSA-3362-1","EUVD-2015-6752","GHSA-m4j6-cfvh-8j5q","MGASA-2015-0368","MGASA-2015-0369","SUSE-SU-2015:1853-1","SUSE-SU-2015:1894-1","SUSE-SU-2015:1908-1","SUSE-SU-2015:1952-1","SUSE-SU-2015:2324-1","SUSE-SU-2016:2628-1","SUSE-SU-2016:2781-1","UBUNTU-CVE-2015-6815","USN-2745-1","openSUSE-SU-2024:10196-1"],"status":"published","title":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process...","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00982,"percentile":0.62517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2015-09-08T00:00:00Z","modified":"2026-09-09T07:01:36Z","fixes":[{"ecosystem":"Debian:12","package":"qemu","fixed_in":["1:2.4+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"qemu","fixed_in":["1:2.4+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"qemu","fixed_in":["1:2.4+dfsg-2"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"qemu","fixed_in":["2.0.0+dfsg-2ubuntu1.19"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.2+dfsg-6a+deb7u11"}]}],"versions":["1.1.2+dfsg-6a","1.1.2+dfsg-6a+deb7u1","1.1.2+dfsg-6a+deb7u10","1.1.2+dfsg-6a+deb7u2","1.1.2+dfsg-6a+deb7u3","1.1.2+dfsg-6a+deb7u4","1.1.2+dfsg-6a+deb7u5","1.1.2+dfsg-6a+deb7u6","1.1.2+dfsg-6a+deb7u7","1.1.2+dfsg-6a+deb7u7~bpo60+1","1.1.2+dfsg-6a+deb7u8","1.1.2+dfsg-6a+deb7u9"],"bundled":4},{"source":"osv","ecosystem":"Debian:8","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1+dfsg-12+deb8u4"}]}],"versions":["1:2.1+dfsg-11","1:2.1+dfsg-12","1:2.1+dfsg-12+deb8u1","1:2.1+dfsg-12+deb8u2","1:2.1+dfsg-12+deb8u3","1:2.1+dfsg-12+deb8u4~bpo70+1","1:2.1+dfsg-12~bpo70+1"],"bundled":4},{"source":"osv","ecosystem":"Debian:7","package":"qemu-kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.2+dfsg-6+deb7u11"}]}],"versions":["1.1.2+dfsg-6","1.1.2+dfsg-6+deb7u1","1.1.2+dfsg-6+deb7u10","1.1.2+dfsg-6+deb7u2","1.1.2+dfsg-6+deb7u3","1.1.2+dfsg-6+deb7u4","1.1.2+dfsg-6+deb7u5","1.1.2+dfsg-6+deb7u6","1.1.2+dfsg-6+deb7u7","1.1.2+dfsg-6+deb7u7~bpo60+1","1.1.2+dfsg-6+deb7u8","1.1.2+dfsg-6+deb7u9"],"bundled":4},{"source":"osv","ecosystem":"Mageia:4","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.2-1.16.mga4"}]}],"bundled":4},{"source":"osv","ecosystem":"Mageia:5","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.3-2.6.mga5"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux 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]},{"url":"https://bugzilla.suse.com/983982","tags":["report"]},{"url":"https://bugzilla.suse.com/991080","tags":["report"]},{"url":"https://bugzilla.suse.com/991466","tags":["report"]},{"url":"https://bugzilla.suse.com/996441","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7815","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2392","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4453","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4454","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5105","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5106","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5107","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5238","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5337","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5338","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-5403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6490","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7116","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2016/suse-su-20162781-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/893323","tags":["report"]},{"url":"https://bugzilla.suse.com/994760","tags":["report"]},{"url":"https://bugzilla.suse.com/994771","tags":["report"]},{"url":"https://bugzilla.suse.com/994774","tags":["report"]},{"url":"https://bugzilla.suse.com/997858","tags":["report"]},{"url":"https://bugzilla.suse.com/997859","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5388","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6833","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6836","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6888","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7156","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-6815","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2745-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-6815","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-5239","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-5278","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-5279","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-6855","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1898","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0217","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2625","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3432","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3433","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4411","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4535","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4536","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4537","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4539","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4544","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5510","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5511","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5513","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5514","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5515","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5634","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6075","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0152","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0153","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1442","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1918","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1919","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1952","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2007","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-3495","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4355","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4356","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4361","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4375","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4416","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4494","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4537","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4539","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4551","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4553","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4554","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3124","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3640","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3672","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5146","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5149","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-6268","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7154","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7156","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7188","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3456","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4103","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4104","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4105","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5278","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-6855","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7512","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7549","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7970","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7972","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8504","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8550","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8554","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8555","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8558","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8613","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8615","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8619","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8744","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8745","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1714","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2198","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2270","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2271","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2841","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4441","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6258","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6259","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-6351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7094","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2015-6815","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2020-01-31T21:38:47Z","modified":"2024-08-06T07:29:24.837Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-6752","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2020-01-31T21:38:47Z","modified":"2024-08-06T07:29:24Z","updated_at":"2026-11-03T02:21:54.875343Z"}],"ghsa":[{"id":"GHSA-m4j6-cfvh-8j5q","title":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process...","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2022-05-24T17:07:49Z","modified":"2023-09-21T05:03:44Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:54:46.481792Z"}],"nvd":[{"id":"CVE-2015-6815","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2020-01-31T22:15:11.277Z","modified":"2026-06-17T00:31:27.93Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:03:19.73542Z"}],"osv":[{"id":"CVE-2015-6815","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2020-01-31T22:15:11Z","modified":"2026-04-16T06:20:51.288600428Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-6815","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2020-01-31T22:15:11.277Z","modified":"2026-09-09T07:01:36.362117118Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-6815","description":"The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.","status":"published","published":"2015-09-08T00:00:00Z","modified":"2026-02-04T02:19:43.882995Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"DSA-3361-1","title":"qemu - security update","status":"published","published":"2015-09-18T00:00:00Z","modified":"2026-03-09T01:20:13.829523Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"DSA-3362-1","title":"qemu-kvm - security update","status":"published","published":"2015-09-18T00:00:00Z","modified":"2026-03-09T01:17:54.264588Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"MGASA-2015-0368","title":"Updated qemu packages fix security vulnerabilities","description":"Updated qemu packages fix security vulnerabilities:\n\nQemu emulator built with the RTL8139 emulation support is vulnerable to an\ninformation leakage flaw. It could occur while processing network packets\nunder RTL8139 controller's C+ mode of operation. A guest user could use this\nflaw to read uninitialised Qemu heap memory up to 65K bytes (CVE-2015-5165).\n\nQemu emulator built with the VNC display driver is vulnerable to an infinite\nloop issue. It could occur while processing a CLIENT_CUT_TEXT message with\nspecially crafted payload message. A privileged guest user could use this flaw\nto crash the Qemu process on the host, resulting in DoS (CVE-2015-5239).\n\nQemu emulator built with the e1000 NIC emulation support is vulnerable to an\ninfinite loop issue. It could occur while processing transmit descriptor data\nwhen sending a network packet. A privileged user inside guest could use this\nflaw to crash the Qemu instance resulting in DoS (CVE-2015-6815).\n\nQemu emulator built with the IDE disk and CD/DVD-ROM emulation support is\nvulnerable to a divide by zero issue. It could occur while executing an IDE\ncommand WIN_READ_NATIVE_MAX to determine the maximum size of a drive. A\nprivileged user inside guest could use this flaw to crash the Qemu instance\nresulting in DoS (CVE-2015-6855).\n","status":"published","published":"2015-09-15T14:55:06Z","modified":"2026-04-16T06:23:57.708736086Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"MGASA-2015-0369","title":"Updated qemu packages fix security vulnerabilities","description":"Updated qemu packages fix security vulnerabilities:\n\nQemu emulator built with the RTL8139 emulation support is vulnerable to an\ninformation leakage flaw. It could occur while processing network packets\nunder RTL8139 controller's C+ mode of operation. A guest user could use this\nflaw to read uninitialised Qemu heap memory up to 65K bytes (CVE-2015-5165).\n\nQinghao Tang and Mr. Zuozhi discovered that QEMU incorrectly handled memory in\nthe VNC display driver. A malicious guest could use this issue to cause a\ndenial of service, or possibly execute arbitrary code on the host as the user\nrunning the QEMU process (CVE-2015-5225). - Mageia 5 only\n\nQemu emulator built with the e1000 NIC emulation support is vulnerable to an\ninfinite loop issue. It could occur while processing transmit descriptor data\nwhen sending a network packet. A privileged user inside guest could use this\nflaw to crash the Qemu instance resulting in DoS (CVE-2015-6815).\n\nQemu emulator built with the IDE disk and CD/DVD-ROM emulation support is\nvulnerable to a divide by zero issue. It could occur while executing an IDE\ncommand WIN_READ_NATIVE_MAX to determine the maximum size of a drive. A\nprivileged user inside guest could use this flaw to crash the Qemu instance\nresulting in DoS (CVE-2015-6855).\n","status":"published","published":"2015-09-15T14:55:06Z","modified":"2026-04-16T06:26:23.495617425Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10196-1","title":"xen-4.7.0_12-1.3 on GA media","description":"These are all security issues fixed in the xen-4.7.0_12-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:39.408456Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"SUSE-SU-2015:1853-1","title":"Security update for xen","description":"xen was updated to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bsc#941074: Device 51728 could not be connected. Hotplug scripts not working\n","status":"published","published":"2015-10-29T16:37:05Z","modified":"2026-02-04T02:39:12.647981Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1894-1","title":"Security update for xen","description":"xen was updated to version 4.4.3 to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores\n- bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors\n- bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort\n- bsc#949549: xm create hangs when maxmen value is enclosed in quotes\n","status":"published","published":"2015-10-29T16:40:59Z","modified":"2026-02-04T03:28:52.772511Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1908-1","title":"Security update for xen","description":"xen was updated to version 4.4.3 to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores\n- bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors\n- bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort\n","status":"published","published":"2015-10-29T16:40:54Z","modified":"2026-02-04T02:18:33.552295Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1952-1","title":"Security update for xen","description":"xen was updated to fix eight security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n","status":"published","published":"2015-10-29T16:04:44Z","modified":"2026-02-04T04:13:37.011328Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:2324-1","title":"Security update for xen","description":"\n\nThis update fixes the following security issues:\n\n- bsc#956832 -  CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list\n\n- Revert x86/IO-APIC: don't create pIRQ mapping from masked RTE until kernel maintenance release goes out.\n\n- bsc#956592 -  xen: virtual PMU is unsupported (XSA-163)\n\n- bsc#956408 -  CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159)\n\n- bsc#956409 -  CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160)\n\n- bsc#956411 -  CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162)\n\n- bsc#947165 -  CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142)\n\n- bsc#954405 -  CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception\n\n- bsc#954018 -  CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156)\n","status":"published","published":"2015-12-19T11:25:39Z","modified":"2026-02-04T03:46:38.891811Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2016:2628-1","title":"Security update for kvm","description":"kvm was updated to fix 16 security issues.\n\nThese security issues were fixed:\n- CVE-2015-6815: e1000 NIC emulation support was vulnerable to an infinite loop issue. A privileged user inside guest could have used this flaw to crash the Qemu instance resulting in DoS.  (bsc#944697).\n- CVE-2016-2391: The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers (bsc#967013).\n- CVE-2016-2392: The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU did not properly validate USB configuration descriptor objects, which allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet (bsc#967012).\n- CVE-2016-4453: The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command (bsc#982223).\n- CVE-2016-4454: The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read (bsc#982222).\n- CVE-2016-5105: The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, used an uninitialized variable, which allowed local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982017).\n- CVE-2016-5106: The megasas_dcmd_set_properties function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest administrators to cause a denial of service (out-of-bounds write access) via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982018).\n- CVE-2016-5107: The megasas_lookup_frame function in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest OS administrators to cause a denial of service (out-of-bounds read and crash) via unspecified vectors (bsc#982019).\n- CVE-2016-5126: Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allowed local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call (bsc#982285).\n- CVE-2016-5238: The get_cmd function in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode (bsc#982959).\n- CVE-2016-5337: The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information (bsc#983961).\n- CVE-2016-5338: The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer (bsc#983982).\n- CVE-2016-5403: The virtqueue_pop function in hw/virtio/virtio.c in QEMU allowed local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion (bsc#991080).\n- CVE-2016-6490: Infinite loop in the virtio framework. A privileged user inside the guest could have used this flaw to crash the Qemu instance on the host resulting in DoS (bsc#991466).\n- CVE-2016-7116: Host directory sharing via Plan 9 File System(9pfs) was vulnerable to a directory/path traversal issue. A privileged user inside guest could have used this flaw to access undue files on the host (bsc#996441).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c in QEMU allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n","status":"published","published":"2016-10-25T14:22:27Z","modified":"2026-02-04T03:23:39.087469Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:2781-1","title":"Security update for qemu","description":"qemu was updated to fix 21 security issues.\n\nThese security issues were fixed:\n- CVE-2014-5388: Off-by-one error in the pci_read function in the ACPI PCI hotplug interface (hw/acpi/pcihp.c) in QEMU allowed local guest users to obtain sensitive information and have other unspecified impact related to a crafted PCI device that triggers memory corruption (bsc#893323).\n- CVE-2015-6815: e1000 NIC emulation support was vulnerable to an infinite loop issue. A privileged user inside guest could have used this flaw to crash the Qemu instance resulting in DoS.  (bsc#944697).\n- CVE-2016-2391: The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers (bsc#967013).\n- CVE-2016-2392: The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU did not properly validate USB configuration descriptor objects, which allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet (bsc#967012).\n- CVE-2016-4453: The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command (bsc#982223).\n- CVE-2016-4454: The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read (bsc#982222).\n- CVE-2016-5105: The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, used an uninitialized variable, which allowed local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982017).\n- CVE-2016-5106: The megasas_dcmd_set_properties function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest administrators to cause a denial of service (out-of-bounds write access) via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982018).\n- CVE-2016-5107: The megasas_lookup_frame function in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest OS administrators to cause a denial of service (out-of-bounds read and crash) via unspecified vectors (bsc#982019).\n- CVE-2016-5126: Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allowed local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call (bsc#982285).\n- CVE-2016-5238: The get_cmd function in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode (bsc#982959).\n- CVE-2016-5337: The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information (bsc#983961).\n- CVE-2016-5338: The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer (bsc#983982).\n- CVE-2016-5403: The virtqueue_pop function in hw/virtio/virtio.c in QEMU allowed local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion (bsc#991080).\n- CVE-2016-6490: Infinite loop in the virtio framework. A privileged user inside the guest could have used this flaw to crash the Qemu instance on the host resulting in DoS (bsc#991466).\n- CVE-2016-6833: Use-after-free issue in the VMWARE VMXNET3 NIC device support. A privileged user inside guest could have used this issue to crash the Qemu instance resulting in DoS (bsc#994774).\n- CVE-2016-6836: VMWARE VMXNET3 NIC device support was leaging information leakage. A privileged user inside guest could have used this to leak host memory bytes to a guest (bsc#994760).\n- CVE-2016-6888: Integer overflow in packet initialisation in VMXNET3 device driver. A privileged user inside guest could have used this flaw to crash the Qemu instance resulting in DoS (bsc#994771).\n- CVE-2016-7116: Host directory sharing via Plan 9 File System(9pfs) was vulnerable to a directory/path traversal issue. A privileged user inside guest could have used this flaw to access undue files on the host (bsc#996441).\n- CVE-2016-7155: In the VMWARE PVSCSI paravirtual SCSI bus a OOB access and/or infinite loop issue could have allowed a privileged user inside guest to crash the Qemu process resulting in DoS (bsc#997858).\n- CVE-2016-7156: In the VMWARE PVSCSI paravirtual SCSI bus a infinite loop issue could have allowed a privileged user inside guest to crash the Qemu process resulting in DoS (bsc#997859).\n","status":"published","published":"2016-11-12T03:12:32Z","modified":"2026-02-04T03:59:41.887189Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"USN-2745-1","title":"qemu, qemu-kvm vulnerabilities","description":"Lian Yihan discovered that QEMU incorrectly handled certain payload\nmessages in the VNC display driver. A malicious guest could use this issue\nto cause the QEMU process to hang, resulting in a denial of service. This\nissue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-5239)\n\nQinghao Tang discovered that QEMU incorrectly handled receiving certain\npackets in the NE2000 network driver. A malicious guest could use this\nissue to cause the QEMU process to hang, resulting in a denial of service.\n(CVE-2015-5278)\n\nQinghao Tang discovered that QEMU incorrectly handled receiving certain\npackets in the NE2000 network driver. A malicious guest could use this\nissue to cause a denial of service, or possibly execute arbitrary code on\nthe host as the user running the QEMU process. In the default installation,\nwhen QEMU is used with libvirt, attackers would be isolated by the libvirt\nAppArmor profile. (CVE-2015-5279)\n\nQinghao Tang discovered that QEMU incorrectly handled transmit descriptor\ndata when sending network packets. A malicious guest could use this issue\nto cause the QEMU process to hang, resulting in a denial of service.\n(CVE-2015-6815)\n\nQinghao Tang discovered that QEMU incorrectly handled ATAPI command\npermissions. A malicious guest could use this issue to cause the QEMU\nprocess to crash, resulting in a denial of service. (CVE-2015-6855)\n","status":"published","published":"2015-09-24T18:37:21Z","modified":"2026-02-10T04:40:55Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}