APPLIED: [PATCH 0/2] [bionic, eoan] CVE-2019-19768

Kelsey Skunberg kelsey.skunberg at canonical.com
Fri Apr 3 22:10:28 UTC 2020


On 2020-03-31 08:44:39 , Benjamin M Romer wrote:
> In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the
> __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill
> out a blk_io_trace structure and place it in a per-cpu sub-buffer).
> 
> Cengiz Can (1):
>   blktrace: fix dereference after null check
> 
> Jan Kara (1):
>   blktrace: Protect q->blk_trace with RCU
> 
>  include/linux/blkdev.h       |   2 +-
>  include/linux/blktrace_api.h |  18 ++++--
>  kernel/trace/blktrace.c      | 117 +++++++++++++++++++++++++----------
>  3 files changed, 100 insertions(+), 37 deletions(-)
> 
> -- 
> 2.20.1
>
Applied to bionic/master-next and eoan/master-next, thank you!

-Kelsey  
> 
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