ACK: [SRU Mantic 0/1] CVE-2023-4921

Stefan Bader stefan.bader at canonical.com
Thu Oct 12 07:57:40 UTC 2023


On 11.10.23 23:00, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> Unprivileged users using network user namespaces can leverage a
> use-after-free vulnerability in the qfq qdisc to potentially escalate
> privileges.
> 
> [Potential Regression]
> Users of qfq qdisc may see regressions.
> 
> valis (1):
>    net: sched: sch_qfq: Fix UAF in qfq_dequeue()
> 
>   net/sched/sch_plug.c |  2 +-
>   net/sched/sch_qfq.c  | 22 +++++++++++++++++-----
>   2 files changed, 18 insertions(+), 6 deletions(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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