ACK: [SRU][Q/J][PATCH 0/2] CVE-2026-53086

[Alessio Faina]

On Fri, Jul 17, 2026 at 02:10:47PM +0300, Cengiz Can via kernel-team wrote:
> https://ubuntu.com/security/CVE-2026-53086
> 
> [ Impact ]
> 
> The bcmgenet_timeout handler in the Broadcom GENET Ethernet driver attempts to
> take down all TX queues when a single queue times out. This over zealous
> behavior causes many race conditions with queues that are still actively
> processing traffic. The resulting races can lead to instability in the network
> driver's transmit path.
> 
> [ Fix ]
> 
> questing: clean cherry-pick
> jammy: backported with AI-assisted adaptation
> bionic: backported with AI-assisted adaptation
> 
> [ Test Plan ]
> 
> Boot tested.
> 
> [ Where Problems Could Occur ]
> 
> An incorrect fix could affect the TX path of the bcmgenet Ethernet driver,
> potentially causing dropped packets, stalled transmit queues, or failure to
> recover from a genuine queue timeout.
> 
> -- 
> 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>