ACK: [SRU focal/linux-oem-5.10 0/1] CVE-2021-26708

[Tim Gardner]

On 3/1/21 7:36 AM, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> vsock multi transport race leads to UAF, which may allow in privilege
> escalation.
> 
> [Fix]
> Clean cherry-pick of upstream c518adafa39f.
> 
> [Test case]
> Ran a reproducer, gets a WARNING when unpatched, no WARNING when patched.
> 
> [Potential regression]
> AF_VSOCK use might break.
> 
> Alexander Popov (1):
>    vsock: fix the race conditions in multi-transport support
> 
>   net/vmw_vsock/af_vsock.c | 17 ++++++++++++-----
>   1 file changed, 12 insertions(+), 5 deletions(-)
> 

Straightforward fix, clean upstream cherry-pick.

Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc