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CVE-2020-15859

Status Candidate

Overview

QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.

Related Files

Gentoo Linux Security Advisory 202208-27
Posted Aug 15, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202208-27 - Multiple vulnerabilities have been discovered in QEMU, the worst of which could result in remote code execution (guest sandbox escape). Versions less than 7.0.0 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2020-15859, CVE-2020-15863, CVE-2020-16092, CVE-2020-35504, CVE-2020-35505, CVE-2020-35506, CVE-2020-35517, CVE-2021-20203, CVE-2021-20257, CVE-2021-20263, CVE-2021-3409, CVE-2021-3416, CVE-2021-3527, CVE-2021-3544
SHA-256 | ad311203dff6a2553339d7456d04215ce76124a29b19165d124b263667c89b9c
Red Hat Security Advisory 2021-4191-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4191-03 - 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 information leakage and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-15859, CVE-2021-3592, CVE-2021-3593, CVE-2021-3594, CVE-2021-3595, CVE-2021-3631, CVE-2021-3667
SHA-256 | 64d7fbe0c9f1b5354e27b879038a2c6070838d3da6e94abfc2535d64c1665374
Ubuntu Security Notice USN-4725-1
Posted Feb 8, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4725-1 - It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Alexander Bulekov discovered that QEMU incorrectly handled Intel e1000e emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2020-11947, CVE-2020-15859, CVE-2020-27821, CVE-2020-28916, CVE-2020-29443, CVE-2021-20181
SHA-256 | 0cb00f8c69ce1eb4a48a5ddf3c7250eef70edcf933345ec3243885c6ada0dc3f
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