ACK: [UBUNTU OEM-6.0 0/2] CVE-2022-43945

Cengiz Can cengiz.can at canonical.com
Fri Feb 3 03:23:08 UTC 2023


On 23-01-27 15:32:19, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> A malicious client can cause a buffer overflow on the nfsd server by sending
> a crafted RPC message.
> 
> [Backport]
> Missing two commits on 6.0 that were already applied to other kernels.
> 
> [Potential regression]
> NFSD servers might misbehave.
> 
> Chuck Lever (2):
>   NFSD: Remove "inline" directives on op_rsize_bop helpers
>   NFSD: Cap rsize_bop result based on send buffer size

Acked-by: Cengiz Can <cengiz.can at canonical.com>

> 
>  fs/nfsd/nfs4proc.c | 169 ++++++++++++++++++++++++++-------------------
>  fs/nfsd/xdr4.h     |   3 +-
>  2 files changed, 101 insertions(+), 71 deletions(-)
> 
> -- 
> 2.34.1
> 
> 
> -- 
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