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Amazon Linux AMI: CVE-2019-3900: Security patch for kernel (ALAS-2019-1232)

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Amazon Linux AMI: CVE-2019-3900: Security patch for kernel (ALAS-2019-1232)

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:C)
Published
04/25/2019
Created
07/29/2019
Added
07/27/2019
Modified
10/14/2022

Description

An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.

Solution(s)

  • amazon-linux-upgrade-kernel

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