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Ubuntu: USN-4650-1 (CVE-2020-25723): QEMU vulnerabilities

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Ubuntu: USN-4650-1 (CVE-2020-25723): QEMU vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
11/30/2020
Created
12/03/2020
Added
12/01/2020
Modified
03/09/2021

Description

A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.

Solution(s)

  • ubuntu-upgrade-qemu-system
  • ubuntu-upgrade-qemu-system-aarch64
  • ubuntu-upgrade-qemu-system-arm
  • ubuntu-upgrade-qemu-system-mips
  • ubuntu-upgrade-qemu-system-misc
  • ubuntu-upgrade-qemu-system-ppc
  • ubuntu-upgrade-qemu-system-s390x
  • ubuntu-upgrade-qemu-system-sparc
  • ubuntu-upgrade-qemu-system-x86
  • ubuntu-upgrade-qemu-system-x86-microvm
  • ubuntu-upgrade-qemu-system-x86-xen

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