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Oracle Linux: (CVE-2021-20181) (Multiple Advisories): qemu security update

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Oracle Linux: (CVE-2021-20181) (Multiple Advisories): qemu security update

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
02/08/2021
Created
03/15/2021
Added
03/12/2021
Modified
11/23/2022

Description

A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability.

Solution(s)

  • oracle-linux-upgrade-ivshmem-tools
  • oracle-linux-upgrade-qemu
  • oracle-linux-upgrade-qemu-block-gluster
  • oracle-linux-upgrade-qemu-block-iscsi
  • oracle-linux-upgrade-qemu-block-rbd
  • oracle-linux-upgrade-qemu-common
  • oracle-linux-upgrade-qemu-img
  • oracle-linux-upgrade-qemu-kvm
  • oracle-linux-upgrade-qemu-kvm-core
  • oracle-linux-upgrade-qemu-system-aarch64
  • oracle-linux-upgrade-qemu-system-aarch64-core
  • oracle-linux-upgrade-qemu-system-x86
  • oracle-linux-upgrade-qemu-system-x86-core

References

  • ELSA-2021-9109
  • CVE-2021-20181
  • USN-4725-1

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