Bugzilla – Bug 1024972
VUL-0: CVE-2017-2620: qemu,kvm: cirrus_bitblt_cputovideo does not check if memory region is safe (XSA-209)
Last modified: 2019-02-14 14:26:56 UTC
bugbot adjusting priority
Hello, Quick emulator(Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS OR potentially execute arbitrary code on the host with privileges of Qemu process on the host. Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1420460 * 'CVE-2017-2620' has been assigned to this issue by Red Hat Inc. * Attached herein is a proposed patch to fix this issue. Thank you.
Created attachment 714876 [details] cirrus-add-blit-is-unsafe-to-cirrus-bitblt-cputovideo.patch cirrus-add-blit-is-unsafe-to-cirrus-bitblt-cputovideo.patch from email
SUSE-SU-2017:0625-1: An update that solves 15 vulnerabilities and has four fixes is now available. Category: security (important) Bug References: 1014702,1015169,1016779,1017081,1017084,1020491,1020589,1020928,1021129,1021195,1021481,1022541,1023004,1023053,1023073,1023907,1024972,1026583,977027 CVE References: CVE-2016-10028,CVE-2016-10029,CVE-2016-10155,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5525,CVE-2017-5526,CVE-2017-5552,CVE-2017-5578,CVE-2017-5667,CVE-2017-5856,CVE-2017-5857,CVE-2017-5898 Sources used: SUSE Linux Enterprise Server for Raspberry Pi 12-SP2 (src): qemu-2.6.2-41.9.1 SUSE Linux Enterprise Server 12-SP2 (src): qemu-2.6.2-41.9.1 SUSE Linux Enterprise Desktop 12-SP2 (src): qemu-2.6.2-41.9.1
Fixed.
SUSE-SU-2017:0661-1: An update that solves 11 vulnerabilities and has two fixes is now available. Category: security (important) Bug References: 1013285,1014109,1014111,1014702,1015048,1015169,1016779,1021129,1022541,1023004,1023053,1023907,1024972 CVE References: CVE-2016-10155,CVE-2016-9776,CVE-2016-9907,CVE-2016-9911,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5667,CVE-2017-5856,CVE-2017-5898 Sources used: SUSE Linux Enterprise Server for SAP 12 (src): qemu-2.0.2-48.31.1 SUSE Linux Enterprise Server 12-LTSS (src): qemu-2.0.2-48.31.1
openSUSE-SU-2017:0707-1: An update that solves 15 vulnerabilities and has four fixes is now available. Category: security (important) Bug References: 1014702,1015169,1016779,1017081,1017084,1020491,1020589,1020928,1021129,1021195,1021481,1022541,1023004,1023053,1023073,1023907,1024972,1026583,977027 CVE References: CVE-2016-10028,CVE-2016-10029,CVE-2016-10155,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5525,CVE-2017-5526,CVE-2017-5552,CVE-2017-5578,CVE-2017-5667,CVE-2017-5856,CVE-2017-5857,CVE-2017-5898 Sources used: openSUSE Leap 42.2 (src): qemu-2.6.2-29.4, qemu-linux-user-2.6.2-29.1, qemu-testsuite-2.6.2-29.8
SUSE-SU-2017:1135-1: An update that solves 10 vulnerabilities and has two fixes is now available. Category: security (important) Bug References: 1013285,1014109,1014111,1014702,1015048,1015169,1016779,1021129,1023004,1023053,1023907,1024972 CVE References: CVE-2016-10155,CVE-2016-9776,CVE-2016-9907,CVE-2016-9911,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5856,CVE-2017-5898 Sources used: SUSE Linux Enterprise Server 11-SP4 (src): kvm-1.4.2-59.1
SUSE-SU-2017:1241-1: An update that solves 13 vulnerabilities and has four fixes is now available. Category: security (important) Bug References: 1013285,1014109,1014111,1014702,1015048,1015169,1016779,1020491,1020589,1020928,1021129,1022541,1023004,1023053,1023907,1024972,937125 CVE References: CVE-2016-10155,CVE-2016-9776,CVE-2016-9907,CVE-2016-9911,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5525,CVE-2017-5526,CVE-2017-5667,CVE-2017-5856,CVE-2017-5898 Sources used: SUSE Linux Enterprise Server 12-SP1 (src): qemu-2.3.1-32.11 SUSE Linux Enterprise Desktop 12-SP1 (src): qemu-2.3.1-32.11
openSUSE-SU-2017:1312-1: An update that solves 13 vulnerabilities and has four fixes is now available. Category: security (important) Bug References: 1013285,1014109,1014111,1014702,1015048,1015169,1016779,1020491,1020589,1020928,1021129,1022541,1023004,1023053,1023907,1024972,937125 CVE References: CVE-2016-10155,CVE-2016-9776,CVE-2016-9907,CVE-2016-9911,CVE-2016-9921,CVE-2016-9922,CVE-2017-2615,CVE-2017-2620,CVE-2017-5525,CVE-2017-5526,CVE-2017-5667,CVE-2017-5856,CVE-2017-5898 Sources used: openSUSE Leap 42.1 (src): qemu-2.3.1-25.1, qemu-linux-user-2.3.1-25.1, qemu-testsuite-2.3.1-25.1
SUSE-SU-2017:3084-1: An update that solves 33 vulnerabilities and has 7 fixes is now available. Category: security (important) Bug References: 1013285,1014109,1014111,1014702,1015048,1016779,1020427,1021129,1021741,1023004,1023053,1023907,1024972,1025109,1028184,1028656,1030624,1031051,1034044,1034866,1034908,1035406,1035950,1037242,1038396,1039495,1042159,1042800,1042801,1043296,1045035,1046636,1047674,1048902,1049381,1049785,1056334,1057585,1062069,1063122 CVE References: CVE-2016-10155,CVE-2016-9602,CVE-2016-9603,CVE-2016-9776,CVE-2016-9907,CVE-2016-9911,CVE-2016-9921,CVE-2016-9922,CVE-2017-10664,CVE-2017-10806,CVE-2017-11334,CVE-2017-11434,CVE-2017-13672,CVE-2017-14167,CVE-2017-15038,CVE-2017-15289,CVE-2017-2615,CVE-2017-2620,CVE-2017-5579,CVE-2017-5856,CVE-2017-5898,CVE-2017-5973,CVE-2017-6505,CVE-2017-7471,CVE-2017-7493,CVE-2017-7718,CVE-2017-7980,CVE-2017-8086,CVE-2017-8309,CVE-2017-9330,CVE-2017-9373,CVE-2017-9375,CVE-2017-9503 Sources used: SUSE Linux Enterprise Server 11-SP3-LTSS (src): kvm-1.4.2-53.11.1 SUSE Linux Enterprise Point of Sale 11-SP3 (src): kvm-1.4.2-53.11.1