[Samba] CPU 100% smbd 4.9.5 debian buster

[Rowland penny]

On 15/02/2021 19:56, Andrew Bartlett wrote:
> On Mon, 2021-02-15 at 16:37 +0000, Rowland penny via samba wrote:
>> On 15/02/2021 15:48, Francesc Guasch wrote:
>>
>>> On Mon, Feb 15, 2021 at 02:06:52PM +0000, Rowland penny via samba
>>> wrote:
>>> Hi Rowland. Thanks for anwering me.
>>>> On 15/02/2021 12:39, Francesc Guasch via samba wrote:
>>>>> Hi. I have a samba server that suddenly gets smbd
>>>>> processes at 100% and becomes unusable.
>>>>> This is samba release 2:4.9.5+dfsg-5+deb10u1
>>>>> [IPC$]
>>>>>         path = /tmp
>>>>>         hosts deny = 0.0.0.0/0
>>>> Why have you created a hidden share called 'IPC' ?
>>> I don't know it has been here for ages.
>>
>>
>>
>> I would remove it, Samba creates it by default without it being in
>> smb.conf.
> This looks like our published mitigation for a very old Samba security
> issue.


How old and published where ?

I do not recall seeing this.

Rowland