APPLIED(B,C): [PATCH 0/1][SRU][B/C/D/Unstable] CVE-2019-8912 - AF_* use after free

Khaled Elmously khalid.elmously at canonical.com
Wed Feb 27 22:41:37 UTC 2019


On 2019-02-27 11:13:39 , Tyler Hicks wrote:
> https://people.canonical.com/~ubuntu-security/cve/?cve=CVE-2019-8912
> 
> CVE-2019-8912 was assigned for a use-after-free vulnerability in the AF_ALG
> implementation. However, that issue affects additional network families and now
> there is a more generic fix available.
> 
> Since we have already applied the AF_ALG fix, it is worth noting that it is fine to have the AF_ALG fix and this more generic fix both applied.
> 
> Clean cherry pick of the fix. I smoke tested a kernel build in a Bionic VM.
> 
> Tyler
> 
> Eric Biggers (1):
>   net: socket: set sock->sk to NULL after calling proto_ops::release()
> 
>  net/socket.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> -- 
> 2.7.4
> 
> 
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