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Date:   Mon, 12 Dec 2022 12:57:34 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Yilu Lin <linyilu@huawei.com>
Cc:     pbonzini@redhat.com, stable@vger.kernel.org,
        "security@kernel.org" <security@kernel.org>,
        caihe <caihe@huawei.com>,
        "Zhangzebin (Zebin, PSIRT)" <zhangzebin@huawei.com>,
        Xiexiangyou <xiexiangyou@huawei.com>,
        xingchaochao <xingchaochao@huawei.com>,
        "lishan (E)" <lishan24@huawei.com>, subo7@huawei.com,
        wanghaibin.wang@huawei.com, yuzenghui@huawei.com,
        xiewenbo@huawei.com
Subject: Re: KVM: a issue which maybe a vulnerability
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On Mon, Dec 12, 2022 at 07:15:32PM +0800, Yilu Lin wrote:
> Hello. There is a issue about the kvm module in kernel, which may be a vulnerability. And I need your adivce.
> 
> Here is affect version:
>     Linux kernel version 3.10.The virtualization platform uses the general Linux version before 4.15, which may also involve.
>     The issue is fixed in v4.15-rc1.Commit ID is dedf9c5e216902c6d34b5a0d0c40f4acbb3706d8. Link is https://github.com/torvalds/linux/commit/dedf9c5e216902c6d34b5a0d0c40f4acbb3706d8.
> 

Have you tried backporting this commit to 4.14.y and seeing if it
resolves the issue?  If so, can you send the backport here for
inclusion?

thanks,

greg k-h