ACK: [SRU][J][PATCH 0/1] CVE-2024-26952

[Stefan Bader]

On 26.06.24 23:14, Bethany Jamison wrote:
> [Impact]
> 
> ksmbd: fix potencial out-of-bounds when buffer offset is invalid
> 
> I found potencial out-of-bounds when buffer offset fields of a few requests
> is invalid. This patch set the minimum value of buffer offset field to
> ->Buffer offset to validate buffer length.
> 
> [Fix]
> 
> Noble:	released
> Jammy:	Backport - context conflicts from neighboring lines, shouldn't
> 	affect the fix so I applied the fix changes as given
> Focal:	not affected
> Bionic:	not affected
> Xenial:	not affected
> Trusty: not affected
> 
> [Test Case]
> 
> Compile and boot tested
> 
> [Where problems could occur]
> 
> This fix affects those who use the KSMBD server, an issue with this fix
> would be visible to the user via unexpected system behavior or a system
> crash.
> 
> Namjae Jeon (1):
>    ksmbd: fix potencial out-of-bounds when buffer offset is invalid
> 
>   fs/ksmbd/smb2misc.c | 22 +++++++++++++++------
>   fs/ksmbd/smb2pdu.c  | 48 ++++++++++++++++++++++++---------------------
>   2 files changed, 42 insertions(+), 28 deletions(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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