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

Tyler Hicks tyhicks at canonical.com
Tue Dec 18 01:10:35 UTC 2018

Bah, I switched up the [PATCH 0/1] and [PATCH 1/1] tags in the subject
lines of this thread. It is a harmless mistake so I'm not going to
resend the patch.


On 2018-12-18 01:07:39, 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

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