Re: CVE-2023-52560: mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()

From: Greg Kroah-Hartman
Date: Tue Mar 05 2024 - 17:25:25 EST


On Tue, Mar 05, 2024 at 05:51:11PM +0100, Michal Hocko wrote:
> On Sat 02-03-24 22:59:54, Greg KH wrote:
> > Description
> > ===========
> >
> > In the Linux kernel, the following vulnerability has been resolved:
> >
> > mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
> >
> > When CONFIG_DAMON_VADDR_KUNIT_TEST=y and making CONFIG_DEBUG_KMEMLEAK=y
> > and CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y, the below memory leak is detected.
>
> This is a kunit test case AFAICS. Is this really a CVE material?

People run kunit tests on real systems (again, we do not dictate use
cases.) So yes, fixing a memory leak that can be triggered is resolving
a weakness and so should get a CVE I would think, right?

thanks,

greg k-h