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ubuntuUbuntuUSN-4486-1
HistorySep 02, 2020 - 12:00 a.m.

Linux kernel vulnerability

2020-09-0200:00:00
ubuntu.com
71

7.6 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.2%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-kvm - Linux kernel for cloud environments
  • linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
  • linux-raspi2 - Linux kernel for Raspberry Pi (V8) systems
  • linux-snapdragon - Linux kernel for Qualcomm Snapdragon processors

Details

Wen Xu discovered that the XFS filesystem implementation in the Linux
kernel did not properly validate meta-data information. An attacker could
use this to construct a malicious xfs image that, when mounted, could cause
a denial of service (system crash).