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CVE-2015-6855

Status Candidate

Overview

hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash.

Related Files

Gentoo Linux Security Advisory 201602-01
Posted Feb 4, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201602-1 - Multiple vulnerabilities have been found in QEMU, the worst of which may allow a remote attacker to cause a Denial of Service or gain elevated privileges from a guest VM. Versions less than 2.5.0-r1 are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2015-1779, CVE-2015-3456, CVE-2015-5225, CVE-2015-5278, CVE-2015-5279, CVE-2015-5745, CVE-2015-6815, CVE-2015-6855, CVE-2015-7295, CVE-2015-7504, CVE-2015-7512, CVE-2015-7549, CVE-2015-8345, CVE-2015-8504, CVE-2015-8556, CVE-2015-8558, CVE-2015-8567, CVE-2015-8568, CVE-2015-8666, CVE-2015-8701, CVE-2015-8743, CVE-2015-8744, CVE-2015-8745, CVE-2016-1568
SHA-256 | cae04eed58ae8cd630be1884c1bb0f33cd229432b115814282bbffc1e4740738
Ubuntu Security Notice USN-2745-1
Posted Sep 25, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2745-1 - Lian Yihan discovered that QEMU incorrectly handled certain payload messages in the VNC display driver. A malicious guest could use this issue to cause the QEMU process to hang, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Qinghao Tang discovered that QEMU incorrectly handled receiving certain packets in the NE2000 network driver. A malicious guest could use this issue to cause the QEMU process to hang, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2015-5239, CVE-2015-5278, CVE-2015-5279, CVE-2015-6815, CVE-2015-6855
SHA-256 | 10d84d56be340b435ae90a54578f4d46671992f41d69ef51bbda5a96fc7195c1
Debian Security Advisory 3362-1
Posted Sep 21, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3362-1 - Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2015-5278, CVE-2015-5279, CVE-2015-6815, CVE-2015-6855
SHA-256 | 08600a5869ec82376a12e036f59e2df5397bf0683d9a3185a149eb1202f4edda
Debian Security Advisory 3361-1
Posted Sep 21, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3361-1 - Several vulnerabilities were discovered in qemu, a fast processor emulator.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2015-5278, CVE-2015-5279, CVE-2015-6815, CVE-2015-6855
SHA-256 | 8f98520c42ea12728c328d3818e190b35fb874e3108e9df64a3966e3927a8827
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