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CVE-2013-4377

Status Candidate

Overview

Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.

Related Files

Mandriva Linux Security Advisory 2015-061
Posted Mar 16, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-061 - Sibiao Luo discovered that QEMU incorrectly handled device hot-unplugging. A local user could possibly use this flaw to cause a denial of service. Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3 devices. A local guest could possibly use this issue to cause a denial of service, or possibly execute arbitrary code on the host. Multiple integer overflow, input validation, logic error, and buffer overflow flaws were discovered in various QEMU block drivers. An attacker able to modify a disk image file loaded by a guest could use these flaws to crash the guest, or corrupt QEMU process memory on the host, potentially resulting in arbitrary code execution on the host with the privileges of the QEMU process. Various other issues have also been addressed.

tags | advisory, denial of service, overflow, arbitrary, local, code execution
systems | linux, mandriva
advisories | CVE-2013-4148, CVE-2013-4149, CVE-2013-4150, CVE-2013-4151, CVE-2013-4377, CVE-2013-4526, CVE-2013-4527, CVE-2013-4529, CVE-2013-4530, CVE-2013-4531, CVE-2013-4533, CVE-2013-4534, CVE-2013-4535, CVE-2013-4536, CVE-2013-4537, CVE-2013-4538, CVE-2013-4539, CVE-2013-4540, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0142, CVE-2014-0143, CVE-2014-0144, CVE-2014-0145, CVE-2014-0146, CVE-2014-0147, CVE-2014-0148
SHA-256 | efc025d8f78ef3f1361bcdb1317e0ecdf4463dd8790e6a8c095fd9e4a59acb0b
Ubuntu Security Notice USN-2092-1
Posted Jan 31, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2092-1 - Asias He discovered that QEMU incorrectly handled SCSI controllers with more than 256 attached devices. A local user could possibly use this flaw to elevate privileges. It was discovered that QEMU incorrectly handled Xen disks. A local guest could possibly use this flaw to consume resources, resulting in a denial of service. This issue only affected Ubuntu 12.10 and Ubuntu 13.10. Various other issues were also addressed.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2013-4344, CVE-2013-4375, CVE-2013-4377, CVE-2013-4344, CVE-2013-4375, CVE-2013-4377
SHA-256 | a805b7c2b775979752f92df1d19d0c1c355c2e1f45538b4ccadf8116e6353ce4
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