ACK: [SRU][F/J/L/M][PATCH 0/1] CVE-2023-39189

[Stefan Bader]

On 27.10.23 14:01, Magali Lemes wrote:
> [Impact]
> A flaw was found in the Netfilter subsystem in the Linux kernel. The
> nfnl_osf_add_callback function did not validate the user mode controlled
> opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to
> trigger an out-of-bounds read, leading to a crash or information disclosure.
> 
> [Backport]
> Clean cherry-pick.
> 
> [Test]
> Compile and boot tested.
> 
> [Regresson potential]
> Affects netfilter passive OS fingerprinting.
> 
> Wander Lairson Costa (1):
>    netfilter: nfnetlink_osf: avoid OOB read
> 
>   net/netfilter/nfnetlink_osf.c | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 

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