Re: [PATCH stable] EDAC/mc: Really fix error path ordering in edac_mc_alloc()

[Jean Delvare <jdelvare@suse.de>]

On Tue, 3 Nov 2026 13:09:51 -0800, Borislav Petkov wrote:
> On Tue, Nov 03, 2026 at 05:04:39PM +0100, Jean Delvare wrote:
> > The backport of 51520e03e70d ("EDAC/mc: Fix error path ordering in
> > edac_mc_alloc()") to stable kernel branches is incomplete due to a
> > different memory allocation scheme. In v6.19 and earlier, the device
> > initialization must be moved further up so that all jumps to the
> > error label are covered.
> > 
> > Signed-off-by: Jean Delvare <jdelvare@suse.de>
> > Cc: stable@kernel.org # v6.19-  
> 
> looks about right:
> 
> Acked-by: Borislav Petkov (AMD) <bp@alien8.de>

Thanks for the review.

> > I believe that CVE-2026-31689 is not properly fixed in kernels v6.19 and
> > older as of today, and the patch below shall address that. Affected
> > branches still under maintenance would be v6.18, v6.12, v6.6 and v6.1.
> > v6.19 is equally affected but no longer maintained.  
> 
> Have you audited all those other trees, whether backporting it there is
> correct?

Yes I did.
-- 
Jean Delvare
SUSE L3 Support