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CVE-2018-11806

Status Candidate

Overview

m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.

Related Files

Red Hat Security Advisory 2019-2892-01
Posted Sep 24, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2892-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include buffer overflow and null pointer vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-10839, CVE-2018-11806, CVE-2018-17962, CVE-2019-12155, CVE-2019-6778
SHA-256 | 0fcbebe953b6c4aada1fd3c4b1308f4ee58c35bc19df6c3803aefe01b2e4c60a
Debian Security Advisory 4454-1
Posted May 31, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4454-1 - Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service, the execution of arbitrary code or information disclosure.

tags | advisory, denial of service, arbitrary, info disclosure
systems | linux, debian
advisories | CVE-2018-11806, CVE-2018-12617, CVE-2018-16872, CVE-2018-17958, CVE-2018-18849, CVE-2018-18954, CVE-2018-19364, CVE-2018-19489, CVE-2019-12155, CVE-2019-3812, CVE-2019-6778, CVE-2019-9824
SHA-256 | cba000ba6722bbd7ea6515d914172a949427ee73bb4a672c4b7065b7f6df2144
Ubuntu Security Notice USN-3826-1
Posted Nov 26, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3826-1 - Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled NE2000 device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. It was discovered that QEMU incorrectly handled the Slirp networking back-end. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-10839, CVE-2018-11806, CVE-2018-12617, CVE-2018-16847, CVE-2018-17958, CVE-2018-17962, CVE-2018-17963, CVE-2018-18849, CVE-2018-18954, CVE-2018-19364
SHA-256 | 4e4c876bb878a34b2dd16b55e3b1d2a08ed115428511e04586ecb54058caa47b
Red Hat Security Advisory 2018-2887-01
Posted Oct 9, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2887-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2018-11806
SHA-256 | 667a68c45fe0711a878d14854aabbc968c4f166038bb405dcc7d91e1999613b3
Red Hat Security Advisory 2018-2822-01
Posted Sep 28, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2822-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2018-11806
SHA-256 | 611faf21c8abfde8e5056c1277af106b5c2ba1a9003bd65cb55301f689d0d12c
Red Hat Security Advisory 2018-2762-01
Posted Sep 25, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2762-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-11806
SHA-256 | 209d50a103c543f6a233321f5bcf3334a56d4c697ddfd5141c793a182a440fc8
Red Hat Security Advisory 2018-2462-01
Posted Aug 16, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2462-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-11806, CVE-2018-7550
SHA-256 | d888f6c463bf4ebb8752fc93231cfe8f9188d40f7b96eb4a62e34c7bc02c8685
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