NAK[G]: [SRU Focal,Focal/oem-5.6,Groovy] CVE-2020-14386

[Seth Forshee]

On Fri, Sep 04, 2020 at 03:31:35PM -0300, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> Unprivileged user can crash the system using user namespaces and packet
> sockets.
> 
> [Test case] A PoC that crashes the system has been available at [1]. It has
> been used to test this, after changing 'ifconfig lo up', to 'ip link set lo up'.
> 
> [1] https://www.openwall.com/lists/oss-security/2020/09/03/3
> 
> [Potential regression]
> AF_PACKET could be broken by this.

We've already cherry picked the upstream fix to groovy.

Thanks,
Seth