ACK: [PATCH 0/1][SRU][B/C/D/Unstable] CVE-2019-8980 - VFS memory leak

You-Sheng Yang vicamo.yang at canonical.com
Wed Mar 6 03:21:18 UTC 2019


Acked-By: You-Sheng Yang <vicamo.yang at canonical.com>

On 2019/3/5 11:14 PM, Tyler Hicks wrote:
> https://people.canonical.com/~ubuntu-security/cve/?cve=CVE-2019-8980
> 
>  A memory leak in the kernel_read_file function in fs/exec.c in the Linux
>  kernel through 4.20.11 allows attackers to cause a denial of service
>  (memory consumption) by triggering vfs_read failures.
> 
> Clean cherry pick. Build logs are clean. Smoke tested by booting Bionic and
> Cosmic test kernels.
> 
> Tyler
> 
> YueHaibing (1):
>   exec: Fix mem leak in kernel_read_file
> 
>  fs/exec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

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