ACK: [SRU][F/J/L][PATCH 0/1] CVE-2023-3772

[Tim Gardner]

On 9/6/23 4:30 PM, Yuxuan Luo wrote:
> [Impact]
> A flaw was found in the Linux kernel’s IP framework for transforming
> packets (XFRM subsystem). This issue may allow a malicious user with
> CAP_NET_ADMIN privileges to directly dereference a NULL pointer in
> xfrm_update_ae_params(), leading to a possible kernel crash and denial of
> service.
> 
> [Backport]
> Clean cherry picks.
> There are two .patch files because the one for Jammy and Lunar cannot be
> applied clean on Focal using 'git am'.
> 
> [Test]
> Compile and boot tested.
> 
> [Potential Regression]
> Expect minial regression.
> 
> Lin Ma (1):
>    xfrm: add NULL check in xfrm_update_ae_params
> 
>   net/xfrm/xfrm_user.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc