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

Stefan Bader stefan.bader at canonical.com
Mon Sep 11 09:33:34 UTC 2023


On 07.09.23 23:56, Yuxuan Luo wrote:
> 
> On 9/7/23 03:48, Stefan Bader wrote:
>> On 07.09.23 00:30, 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'.
>>
>> If it is only minor context, "git am -C2" *sometimes* works.
> 
>  From your perspective, would you prefer separate .patch files or a 
> single file
> 
> with a note "this is a clean cherry pick for xxx releases"?

A single file with note (that it might need reduced context for some 
series) as this is only one item to look at.
> 
>>
>>>
>>> [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: Stefan Bader <stefan.bader at canonical.com>

-- 
- Stefan

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