ACK: [SRU][J:linux-azure/N:linux-azure/Q:linux-azure/R:linux-azure/][PATCH 0/1] azure: backport "net: mana: validate rx_req_idx to prevent out-of-bounds array access"

[John Cabaj]

On 6/18/26 3:36 PM, Vinicius Peixoto via kernel-team wrote:
> BugLink: https://bugs.launchpad.net/bugs/2157545
> 
> [Impact]
> 
> Microsoft has requested a backport of an upstream commit that fixes an out-of-bounds access in mana_hwc_rx_event_handler().
> 
> [Fix]
> 
> Backport the following upstream commit to all Azure kernels > 5.15:
> b809d0409991: "net: mana: validate rx_req_idx to prevent out-of-bounds array access"
> 
> [Test Plan]
> 
> Compile + boot tested, Microsoft to run further validation on their side.
> 
> [Regression potential]
> 
> This patch is isolated to the MANA driver, thus having a low regression potential; although it shouldn't cause any issues, regressions here might manifest as performance degradation or crashes in the MANA driver.
> 
> [Other info]
> 
> SF#00439438
> 
> Aditya Garg (1):
>    net: mana: validate rx_req_idx to prevent out-of-bounds array access
> 
>   drivers/net/ethernet/microsoft/mana/hw_channel.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 

Acked-by: John Cabaj <john.cabaj at canonical.com>