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CVE-2019-20382

Status Candidate

Overview

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

Related Files

Red Hat Security Advisory 2020-4167-01
Posted Oct 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4167-01 - 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 memory leak vulnerability.

tags | advisory, memory leak
systems | linux, redhat
advisories | CVE-2019-20382, CVE-2020-14364
SHA-256 | 5510d06dfab09d9c352ee681cc67eb6b0acf5a015566e42dd1ad0ac9d37e06a2
Red Hat Security Advisory 2020-3906-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3906-01 - 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 memory leak vulnerability.

tags | advisory, kernel, memory leak
systems | linux, redhat
advisories | CVE-2018-15746, CVE-2019-20382
SHA-256 | b0f0eae60aac7f07c80ec57f369f946786c09f7b95028772e1382f40c7462d0c
Red Hat Security Advisory 2020-3907-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3907-01 - 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 memory leak vulnerability.

tags | advisory, kernel, memory leak
systems | linux, redhat
advisories | CVE-2018-15746, CVE-2019-20382
SHA-256 | 2fc0326b0d731eb90d350ba8043da129eac010c786f7da0e5ac0dcb96fd08d74
Red Hat Security Advisory 2020-3267-01
Posted Aug 3, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3267-01 - 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 memory leak vulnerability.

tags | advisory, memory leak
systems | linux, redhat
advisories | CVE-2019-20382
SHA-256 | cfe4f92eb92899650d27c95ad083cd031539febd3ce265f9a31a6350fbede14b
Red Hat Security Advisory 2020-2774-01
Posted Jun 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2774-01 - 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 memory leak and out of bounds access vulnerabilities.

tags | advisory, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2019-20382, CVE-2020-8608
SHA-256 | b1a1fa2f14aaeb9bd9a12bda699302978d1804ce1ee49ad38649947d77f1d54f
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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