[SRU Focal, Jammy, HWE-5.19, OEM-6.0, Lunar 0/1] CVE-2023-40283

Cengiz Can cengiz.can at canonical.com
Fri Sep 1 13:43:28 UTC 2023


On 01/09/2023 13:21, Stefan Bader wrote:
> On 28.08.23 17:56, Cengiz Can wrote:
>> [Impact]
>> An issue was discovered in l2cap_sock_release in 
>> net/bluetooth/l2cap_sock.c in
>> the Linux kernel before 6.4.10. There is a use-after-free because the 
>> children
>> of an sk are mishandled.
>>
>> [Fix]
>> Cherry picked from upstream.
>>
>> [Test case]
>> Compile, boot and l2test tested with dual bluetooth adapters.
>>
>> [Potential regression]
>> Low regression potential.
>>
>> Sungwoo Kim (1):
>>    Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
>>
>>   net/bluetooth/l2cap_sock.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>
> Is this already in OEM-6.0?
I assume you meant OEM-6.1. It's already in OEM-6.1.



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