APPLIED: [SRU][Focal][PATCH 0/1] CVE-2023-3111

Luke Nowakowski-Krijger luke.nowakowskikrijger at canonical.com
Thu Jul 6 19:45:32 UTC 2023


Applied to focal:linux master-next

Thanks,
- Luke

On Thu, Jun 22, 2023 at 4:56 PM Yuxuan Luo <yuxuan.luo at canonical.com> wrote:

> [Impact]
> A use after free vulnerability was found in prepare_to_relocate in
> fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can
> be
> triggered by calling btrfs_ioctl_balance() before calling
> btrfs_ioctl_defrag().
>
> [Backport]
> Clean cherry picks.
>
> [Test]
> Compile and smoke tested.
>
> [Potential Regression]
> Expect relatively low regression.
>
> Zixuan Fu (1):
>   btrfs: unset reloc control if transaction commit fails in
>     prepare_to_relocate()
>
>  fs/btrfs/relocation.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> --
> 2.34.1
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
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