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

Roxana Nicolescu roxana.nicolescu at canonical.com
Wed Aug 30 08:24:11 UTC 2023


On 28/08/2023 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(+)
>
Acked-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>



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