linux-kernel - Re: [PATCH] crypto: qce: fix uaf on qce_ahash_register

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Date:   Sat, 20 Nov 2021 12:30:07 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Chengfeng Ye <cyeaa@...nect.ust.hk>
Cc:     thara.gopinath@...aro.org, davem@...emloft.net,
        svarbanov@...sol.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] crypto: qce: fix uaf on qce_ahash_register_one

On Thu, Nov 04, 2021 at 06:38:31AM -0700, Chengfeng Ye wrote:
> Pointer base points to sub field of tmpl, it
> is dereferenced after tmpl is freed. Fix
> this by accessing base before free tmpl.
> 
> Fixes: ec8f5d8f ("crypto: qce - Qualcomm crypto engine driver")
> Signed-off-by: Chengfeng Ye <cyeaa@...nect.ust.hk>
> ---
>  drivers/crypto/qce/sha.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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