ACK: [SRU H/I/OEM-5.10 0/1] CVE-2021-41073
Tim Gardner
tim.gardner at canonical.com
Mon Sep 20 13:47:21 UTC 2021
Acked-by: Tim Gardner <tim.gardner at canonical.com>
On 9/20/21 7:33 AM, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> A vulnerability on io_uring was found and it might lead to local
> privilege escalation.
>
> [Test case]
> A small test case that leads to a crashed kernel was tested and the fixed
> versions did not crash after many runs on a loop.
>
> 5.11 and 5.13 were tested.
>
> [Potential regressions]
> Programs that use io_uring might fail to read or write some files.
>
> Jens Axboe (1):
> io_uring: ensure symmetry in handling iter types in loop_rw_iter()
>
> fs/io_uring.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
--
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Tim Gardner
Canonical, Inc
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