Re: PMBus memory overflow

Matt Corallo
2026-03-01T13:58:28Z

On 6/9/25 9:57 AM, Matt Corallo wrote:
>
>
> On 6/8/25 3:14 AM, Greg KH wrote:
>> On Sat, Jun 07, 2025 at 09:25:44AM -0400, Matt Corallo wrote:
>>>
>>>
>>> On 6/7/25 4:19 AM, Greg KH wrote:
>>>> On Fri, Jun 06, 2025 at 04:57:37PM -0400, Matt Corallo wrote:
>>>>> Adding security@kernel.org cause probably they should make sure this gets fixed.
>>>>
>>>> That's not how security@k.o works, sorry.  As this is already public, no
>>>> need for security@k.o to get involved at all, the normal development
>>>> process happens here now.
>>>>
>>>> So, submit a patch and people will be glad to review it!
>>>
>>> Thanks, figured I'd ask. Sadly there is a patch that folks seem to be okay
>>> with to fix a buffer overflow but its just sitting.
>>
>> Have a pointer to that patch on lore for the maintainers involved to
>> review?  Note, we are in the middle of the merge window, so no new
>> changes can be added to our trees until -rc1 is out.
>
> A proposed patch was posted by Guenter, and tested and confirmed that it fixes the issue by myself,
> at https://lore.kernel.org/linux-hwmon/284466fd-39e8-419e-8af5-41dbabb788af@roeck-us.net/ . Wolfram
> suggested this patch was acceptable at https://lore.kernel.org/linux-hwmon/aAtEydwUfVcE0XeA@shikoro/
> but that's the last he chimed in on this issue.

Any update on getting this patch applied Wolfram? Looks like the buffer overflow is still present on
at least 6.18.

Matt