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Fedora 36: FEDORA-2022-f0a2695054 Critical: qemu use-after-free

fedora
Calendar Grey September 22, 2022
Dist Fedora Esm H88
A solution has been crafted to address the DMA reentrancy vulnerability causing use-after-free issues in QEMU on Fedora 36, detailing the problem and mitigation strategies
nvme: Fix DMA reentrancy use-after-free (CVE-2021-3929)

Summary

qemu is an open source virtualizer that provides hardware

emulation for the KVM hypervisor. qemu acts as a virtual

machine monitor together with the KVM kernel modules, and emulates the

hardware for a full system such as a PC and its associated peripherals.

nvme: Fix DMA reentrancy use-after-free (CVE-2021-3929)

* Tue Sep 20 2022 Mauro Matteo Cascella - 2:6.2.0-15

- nvme: Fix DMA reentrancy use-after-free (CVE-2021-3929) (rhbz#2066083)

[ 1 ] Bug #2066083 - CVE-2021-3929 qemu: nvme: DMA reentrancy issue leads to use-after-free [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2066083

su -c 'dnf upgrade --advisory FEDORA-2022-f0a2695054' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 36
Version: 6.2.0
Release: 15.fc36
Summary: QEMU is a FAST! processor emulator

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