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ubuntuUbuntuUSN-5039-1
HistoryAug 12, 2021 - 12:00 a.m.

Linux kernel vulnerability

2021-08-1200:00:00
ubuntu.com
116

8.2 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.3%

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

Details

Andy Nguyen discovered that the netfilter subsystem in the Linux kernel
contained an out-of-bounds write in its setsockopt() implementation. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code.