ACK: [SRU][N][PATCH 0/2] CVE-2025-38118

[Alessio Faina]

On Thu, Oct 02, 2025 at 02:38:43PM +0200, Massimiliano Pellizzer wrote:
> https://ubuntu.com/security/CVE-2025-38118
> 
> [ Impact ]
> 
> CVE-2025-38118 is a use-after-free in the Linux kernel Bluetooth Management code,
> specifically in the completion path for the MGMT operation
> that removes an advertising monitor (MGMT_OP_REMOVE_ADV_MONITOR).
> 
> [ Fix ]
> 
> Backport from upstream the fix commit:
>  - e6ed54e86aae9 Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
> and a followup:
>  - 7dd38ba4acbea Bluetooth: MGMT: Fix sparse errors
> 
> [ Test Plan ]
> 
> Compile tested only.
> 
> [ Regression Potential ]
> 
> The fix affects how pending commands are managed for Bluetooth
> advertising monitor removal. An issue with this patch may cause
> inconsistencies in monitor state if the explicit lifetime handling in
> the completion path is disrupted.
> 
> 
> Luiz Augusto von Dentz (2):
>   Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
>   Bluetooth: MGMT: Fix sparse errors
> 
>  include/net/bluetooth/hci_core.h |  1 -
>  net/bluetooth/hci_core.c         |  4 +---
>  net/bluetooth/mgmt.c             | 39 ++++++++++----------------------
>  3 files changed, 13 insertions(+), 31 deletions(-)
> 
> -- 
> 2.48.1
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Acked-by: Alessio Faina <alessio.faina at canonical.com>