ACK: [SRU][F][PATCH 0/2] CVE-2024-26668

Koichiro Den koichiro.den at canonical.com
Tue Sep 24 01:08:41 UTC 2024


Acked-by: Koichiro Den <koichiro.den at canonical.com>

On Fri, Sep 20, 2024 at 12:20:58PM +0200, Massimiliano Pellizzer wrote:
> [Impact]
> 
> Reject bogus configs where internal token counter wraps around.
> This only occurs with very very large requests, such as 17gbyte/s.
> 
> [Fix]
> 
> Noble:  Not affected
> Jammy:  Fixed
> Focal:  Cherry picked a prereq from linux-5.15.y, and backported the
> fix commit from linux-5.15.y
> Bionic: Sent to ESM ML
> Xenial: Sent to ESM ML
> 
> [Test Case]
> 
> Compile and boot tested.
> 
> [Where problems could occur]
> 
> The fix for CVE-2024-26668 affects the netfilter subsystem.
> An issue with this fix may lead to kernel crashes, particularly during
> the application or modification of network filtering rules.
> Users may also notice unexpected network behavior.
> 
> Florian Westphal (1):
>   netfilter: nft_limit: reject configurations that cause integer
>     overflow
> 
> Pablo Neira Ayuso (1):
>   netfilter: nft_limit: rename stateful structure
> 
>  net/netfilter/nft_limit.c | 115 ++++++++++++++++++++------------------
>  1 file changed, 62 insertions(+), 53 deletions(-)
> 
> -- 
> 2.43.0
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team



More information about the kernel-team mailing list