APPLIED[B/C]: [PATCH 1/1][SRU][B/C/D] CVE-2018-14625 - AF_VSOCK info leak

Kleber Souza kleber.souza at canonical.com
Thu Jan 10 12:05:14 UTC 2019


On 12/18/18 2:07 AM, Tyler Hicks wrote:
> https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-14625.html
>
>  A flaw was found in the Linux Kernel where an attacker may be able to have
>  an uncontrolled read to kernel-memory from within a vm guest. A race
>  condition between connect() and close() function may allow an attacker
>  using the AF_VSOCK protocol to gather a 4 byte information leak or possibly
>  intercept or corrupt AF_VSOCK messages destined to other clients.
>
> This is a clean cherry pick to Bionic, Cosmic, and Disco/4.19. The
> unstable/4.20 tree already has the fix applied.
>
> Tyler
>
Applied to bionic/master-next and cosmic/master-next branches.

Thanks,
Kleber




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