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Ubuntu: (Multiple Advisories) (CVE-2023-3161): Linux kernel (Xilinx ZynqMP) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-3161): Linux kernel (Xilinx ZynqMP) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
06/12/2023
Created
07/13/2023
Added
07/13/2023
Modified
07/27/2023

Description

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1121-aws
  • ubuntu-upgrade-linux-image-4-4-0-1122-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1159-aws
  • ubuntu-upgrade-linux-image-4-4-0-243-generic
  • ubuntu-upgrade-linux-image-4-4-0-243-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-1017-iot
  • ubuntu-upgrade-linux-image-5-4-0-1024-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-lts-xenial
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

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