ACK: [SRU][M][PATCH 0/1] CVE-2024-26734

Andrei Gherzan andrei.gherzan at canonical.com
Tue Apr 23 14:28:58 UTC 2024


On 24/04/16 02:26PM, Bethany Jamison wrote:
> [Impact]
> 
>  In the Linux kernel, the following vulnerability has been resolved:
> 
>  devlink: fix possible use-after-free and memory leaks in devlink_init()
> 
>  The pernet operations structure for the subsystem must be registered
>  before registering the generic netlink family.
> 
>  Make an unregister in case of unsuccessful registration.
> 
> [Fix]
> 
> Mantic:	Clean cherry-pick from linux-6.6.y
> Jammy:	not-affected
> Focal:	not-affected
> Bionic:	not-affected
> Xenial:	not-affected
> Trusty: not-affected
> 
> [Test Case]
> 
> Compile and boot tested.
> 
> [Where problems could occur]
> 
> This fix affects those who use the devlink api when registering or 
> unregistering a generic netlink family, an issue with this fix 
> would be visable to the user with memory corruption or a system 
> crash.
> 
> Vasiliy Kovalev (1):
>   devlink: fix possible use-after-free and memory leaks in
>     devlink_init()
> 
>  net/devlink/core.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)

Acked-by: Andrei Gherzan <andrei.gherzan at canonical.com>

-- 
Andrei Gherzan
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