ACK: [SRU][Jammy-OEM-6.0][PATCH 0/1] CVE-2023-1611

[Tim Gardner]

On 8/21/23 3:46 PM, 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]
> Clean cherry pick.
> 
> [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: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc