{ "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-4020", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR)." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://git.qemu.org/?p=qemu.git;a=commit;h=691a02e2ce0c413236a78dee6f2651c937b09fb0", "refsource": "CONFIRM", "url": "http://git.qemu.org/?p=qemu.git;a=commit;h=691a02e2ce0c413236a78dee6f2651c937b09fb0" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1313686", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1313686" }, { "name": "[qemu-devel] 20160407 [Qemu-devel] [PATCH] i386: kvmvapic: initialise imm32 variable", "refsource": "MLIST", "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01106.html" }, { "name": "86067", "refsource": "BID", "url": "http://www.securityfocus.com/bid/86067" }, { "name": "[qemu-devel] 20160407 Re: [Qemu-devel] [PATCH] i386: kvmvapic: initialise imm32 variable", "refsource": "MLIST", "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01118.html" }, { "name": "RHSA-2017:2392", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2392" }, { "name": "GLSA-201609-01", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201609-01" }, { "name": "USN-2974-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2974-1" }, { "name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html" }, { "name": "RHSA-2017:2408", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2408" }, { "name": "RHSA-2017:1856", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:1856" } ] } }