From: Petr Vorel <pvorel@suse.cz>
To: Martin Doucha <mdoucha@suse.cz>
Cc: ltp@lists.linux.it, nstange@suse.de
Subject: Re: [LTP] [PATCH 5/5] Add test for CVE 2021-3653
Date: Tue, 25 Apr 2023 14:48:34 +0200 [thread overview]
Message-ID: <20230425124834.GA2986922@pevik> (raw)
In-Reply-To: <20230421145746.5704-5-mdoucha@suse.cz>
Hi Martin,
> +/*\
> + * CVE 2021-3653
> + *
> + * Check that KVM either blocks enabling virtual interrupt controller (AVIC)
> + * in nested VMs or correctly sets up the required memory address translation.
> + * If AVIC is enabled without address translation in the host kernel,
> + * the nested VM will be able to read and write an arbitraty physical memory
> + * page specified by the parent VM. Unauthorized memory access fixed in:
> + *
> + * commit 0f923e07124df069ba68d8bb12324398f4b6b709
> + * Author: Maxim Levitsky <mlevitsk@redhat.com>
> + * Date: Thu Jul 15 01:56:24 2021 +0300
> + *
> + * KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
very nit: I'd prefer just:
0f923e07124d ("KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)")
which looks better in docparse generated output.
Kind regards,
Petr
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2023-04-25 12:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-21 14:57 [LTP] [PATCH 1/5] KVM: Add helper functions for accessing GDT/LDT Martin Doucha
2023-04-21 14:57 ` [LTP] [PATCH 2/5] KVM: Add helper function for reading x86 segment registers Martin Doucha
2023-05-02 14:24 ` Petr Vorel
2023-04-21 14:57 ` [LTP] [PATCH 3/5] KVM: Fix infinite loop in ptr2hex() Martin Doucha
2023-04-26 7:57 ` Cyril Hrubis
2023-04-26 8:09 ` Martin Doucha
2023-05-02 14:26 ` Petr Vorel
2023-05-02 19:46 ` Petr Vorel
2023-04-21 14:57 ` [LTP] [PATCH 4/5] Add KVM helper functions for AMD SVM Martin Doucha
2023-05-02 14:29 ` Petr Vorel
2023-04-21 14:57 ` [LTP] [PATCH 5/5] Add test for CVE 2021-3653 Martin Doucha
2023-04-24 9:09 ` Martin Doucha
2023-05-02 14:32 ` Petr Vorel
2023-05-03 12:42 ` Petr Vorel
2023-04-25 12:48 ` Petr Vorel [this message]
2023-04-26 8:08 ` [LTP] [PATCH 1/5] KVM: Add helper functions for accessing GDT/LDT Cyril Hrubis
2023-04-26 9:19 ` Martin Doucha
2023-04-26 9:20 ` Cyril Hrubis
2023-05-02 14:24 ` Petr Vorel
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