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Ubuntu: (Multiple Advisories) (CVE-2021-39714): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-39714): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
03/16/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

Description

In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-205573273References: Upstream kernel

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1109-aws
  • ubuntu-upgrade-linux-image-4-4-0-1110-kvm
  • ubuntu-upgrade-linux-image-4-4-0-229-generic
  • ubuntu-upgrade-linux-image-4-4-0-229-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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