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CVE-2020-7039

Status Candidate

Overview

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

Related Files

Red Hat Security Advisory 2020-1300-01
Posted Apr 2, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1300-01 - 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 an out of bounds access vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-1711, CVE-2020-7039, CVE-2020-8608
MD5 | 8dc55c2d6faa0fc31c0edb3e93b6c95b
Red Hat Security Advisory 2020-1296-01
Posted Apr 2, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1296-01 - 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 an out of bounds access vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-1711, CVE-2020-7039
MD5 | ec4aeaf9c9e35d0d2cc97de33e3cb51e
Red Hat Security Advisory 2020-1261-01
Posted Apr 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1261-01 - The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include an out of bounds access vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-7039, CVE-2020-8608
MD5 | d06a5925bae0f791aa43cc3fc109f557
Red Hat Security Advisory 2020-1150-01
Posted Apr 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1150-01 - 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 an out of bounds access vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-1711, CVE-2020-7039
MD5 | f88f15964da2655179ec8e0d234aec24
Red Hat Security Advisory 2020-1116-01
Posted Apr 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1116-01 - 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 an out of bounds access vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-7039
MD5 | ed845fb716358ab6921de9005adf3a7d
Red Hat Security Advisory 2020-0889-01
Posted Mar 18, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0889-01 - The slirp4netns package contains user-mode networking for unprivileged network namespaces. It is required to enable networking for rootless containers. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2019-14378, CVE-2019-15890, CVE-2020-7039, CVE-2020-8608
MD5 | e729c7c5549f1baa53123e88c9850236
Red Hat Security Advisory 2020-0775-01
Posted Mar 10, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0775-01 - 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 use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-14378, CVE-2019-15890, CVE-2020-7039
MD5 | 13db1540e0b00ac4cc27fb38e60ef4d1
Red Hat Security Advisory 2020-0348-01
Posted Feb 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0348-01 - The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-7039
MD5 | 24aa6fe4a060e720c16a7b7de4ff6ce3
Debian Security Advisory 4616-1
Posted Feb 3, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4616-1 - Two security issues have been found in the SLiRP networking implementation of QEMU, a fast processor emulator, which could result in the execution of arbitrary code or denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2019-15890, CVE-2020-1711, CVE-2020-7039
MD5 | 64e17dfa20a0581f372e17439d45132b
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