ACK: [SRU Focal,Jammy,OEM-6.1,Lunar,Mantic 0/1] CVE-2023-6606

[Jacob Martin]

Acked-by: Jacob Martin <jacob.martin at canonical.com>

On 1/3/24 6:12 AM, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> An out-of-bounds access in cifs filesystem may lead to crashes or
> information leak.
>
> [Test case]
> A PoC from the kernel.org bugzilla was used and a different error message
> was present in dmesg as expected:
>
> [  518.358312] CIFS: VFS: checkSMB: can't read BCC due to invalid WordCount(240)
>
> [Backport]
> Clean cherry-pick on all kernels. For 5.15 and earlier kernels, the file
> has been moved, hence the second patch version.
>
> [Potential regression]
> Failure to mount cifs or filesystem corruption on cifs mounts.
>
> Paulo Alcantara (1):
>    smb: client: fix OOB in smbCalcSize()
>
>   fs/smb/client/misc.c | 4 ++++
>   1 file changed, 4 insertions(+)
>