APPLIED: [SRU][F/J/M][PATCH 0/1] CVE-2024-23851
Stefan Bader
stefan.bader at canonical.com
Fri Mar 1 09:05:28 UTC 2024
On 22.02.24 22:59, Yuxuan Luo wrote:
> [Impact]
> copy_params in drivers/md/dm-ioctl.c in the Linux kernel through 6.7.1 can
> attempt to allocate more than INT_MAX bytes, and crash, because of a
> missing param_kernel->data_size check. This is related to ctl_ioctl.
>
> [Backport]
> For Mantic it is a single clean cherry pick.
>
> For Focal and Jammy, the fix commit cannot be clean cherry picked
> because of the conflict around the DMERR() lines; cherry pick
> dbdcc906d978 (“dm ioctl: log an error if the ioctl structure is
> corrupted”) to solve the conflict.
>
> [Test]
> Compile and boot tested.
>
> [Potential Regression]
> A very low regression potential exists when executing copy_params() for
> devices.
>
>
> Mikulas Patocka (1):
> dm: limit the number of targets and parameter size area
>
> drivers/md/dm-core.h | 2 ++
> drivers/md/dm-ioctl.c | 3 ++-
> drivers/md/dm-table.c | 9 +++++++--
> 3 files changed, 11 insertions(+), 3 deletions(-)
>
Applied to mantic,jammy,focal:linux/master-next. Thanks.
-Stefan
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