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SubjectRe: CVE-2021-46966: ACPI: custom_method: fix potential use-after-free issue
On Thu 29-02-24 06:22:34, Greg KH wrote:
> On Wed, Feb 28, 2024 at 05:14:22PM +0100, Michal Hocko wrote:
> > Hi,
> > this seems like another example of a reasonable fix with a very dubious
> > CVE IMHO. Allowing access to /sys/kernel/debug/acpi/custom_method to
> > anybody but trusted actor is a huge security problem on its own. I
> > really fail to see any value marking this clear bug fix as security
> > related.
>
> It was picked because it was a use-after-free fix, AND it is part of the
> "import the GSD database into the CVE database" that the CVE project
> asked us to do.

OK I see. So now, does it make any sense to consider a bug fix in a
security sensitive interface (that is even locked down) a security fix?
--
Michal Hocko
SUSE Labs

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