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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
MD5 | f562197ac135c4da9535d93ab8007ee8
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
MD5 | 1915d439857f56d36281d791ff0376c7
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
MD5 | 8120b466efeaad94515a93eb4970a034
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
MD5 | da5cecb90297b8bc2672e8aaffb7d7aa
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
MD5 | 1677bdde8f0e5bc598d02229208feb61
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
MD5 | d8fb6e820f8dd40749fc2d618a5927fc
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
MD5 | e3685b7f1569a8e50b569e70cb3f0c66
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