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CVE-2020-1983

Status Candidate

Overview

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

Related Files

Red Hat Security Advisory 2021-0934-01
Posted Mar 18, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0934-01 - 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 use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-16092, CVE-2020-1983
SHA-256 | 2b5c18320073ecf25c66e4d201e22aef2bb14c8ca4b155b868543e92e2c69180
Red Hat Security Advisory 2021-0459-01
Posted Feb 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0459-01 - 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 use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-16092, CVE-2020-1983
SHA-256 | 97d742b73804a48a1f33876f837da5a201ee5a702630b4548a142d69b51a92ed
Red Hat Security Advisory 2021-0346-01
Posted Feb 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0346-01 - 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 use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-16092, CVE-2020-1983
SHA-256 | 8e0f0ba4db19926d5fad0fbcf6b140ce5f82efd2091d53bab5a4bb8a953cb1f4
Red Hat Security Advisory 2020-4676-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4676-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-15890, CVE-2019-20485, CVE-2020-10703, CVE-2020-14301, CVE-2020-14339, CVE-2020-1983
SHA-256 | 93e8b9c4d4f4570afe83e1f43d1e9e259507e1b4cf78ec970d599aef7c373a59
Red Hat Security Advisory 2020-4290-01
Posted Oct 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4290-01 - 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 a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-14364, CVE-2020-1983
SHA-256 | 634528d37f5b388b74c77a007a51db83c3747d3bf6d3beaada139cba85579cd1
Red Hat Security Advisory 2020-4079-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4079-01 - 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 use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-14364, CVE-2020-1983
SHA-256 | a83d4415a0665813688624904ea6ec62535b2e1c2928de36f229e59dc2d1c097
Red Hat Security Advisory 2020-3053-01
Posted Jul 21, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3053-01 - The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-1983
SHA-256 | f30de9b26f45c76906bddd0498b2be192a6c9395f34db1b5cfce871511964215
Ubuntu Security Notice USN-4372-1
Posted May 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4372-1 - It was discovered that QEMU incorrectly handled bochs-display devices. A local attacker in a guest could use this to cause a denial of service or possibly execute arbitrary code in the host. This issue only affected Ubuntu 19.10. It was discovered that QEMU incorrectly handled memory during certain VNC operations. A remote attacker could possibly use this issue to cause QEMU to consume resources, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2019-15034, CVE-2019-20382, CVE-2020-10702, CVE-2020-11869, CVE-2020-1983
SHA-256 | 050dff354c465a6781ac554efb3017f827d45dbfbdc0e9dd7c15ae317f968d6f
Debian Security Advisory 4665-1
Posted Apr 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4665-1 - Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service or the execution of arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2019-12068, CVE-2019-15034, CVE-2019-20382, CVE-2020-1983
SHA-256 | 81315edbca95ad15b3796581291dff9ece1d005c96f9de1a1801e5a62f53b2d7
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