ACK: [SRU][Focal][PATCH 0/1] CVE-2023-1611

[Roxana Nicolescu]

On 26/06/2023 23:21, Yuxuan Luo wrote:
> [Impact]
> It was discovered that a race condition existed in the btrfs file system
> implementation in the Linux kernel, leading to a use-after-free vulnerability.
> A privileged local attacker could use this to cause a denial of service (system
> crash) or possibly expose sensitive information.
>
> [Backport]
> The conflict in qgroup.c can be ignored since their functionality are the same.
>
> [Test]
> Compile and smoke tested via make a btrfs loopdev and mount it.
>
> [Potential Regression]
> Expect minimal regression.
>
> Filipe Manana (1):
>    btrfs: fix race between quota disable and quota assign ioctls
>
>   fs/btrfs/ioctl.c  |  2 ++
>   fs/btrfs/qgroup.c | 11 ++++++++++-
>   2 files changed, 12 insertions(+), 1 deletion(-)
>
Acked-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>