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8b5cb8d054
* gnu/packages/patches/qemu-CVE-2017-8112.patch, gnu/packages/patches/qemu-CVE-2017-8309.patch, gnu/packages/patches/qemu-CVE-2017-8379.patch, gnu/packages/patches/qemu-CVE-2017-8380.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/qemu.scm (qemu)[source]: Use them.
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
Fix CVE-2017-8380:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8380
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Patch copied from upstream source repository:
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http://git.qemu.org/?p=qemu.git;a=commitdiff;h=24dfa9fa2f90a95ac33c7372de4f4f2c8a2c141f
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From 24dfa9fa2f90a95ac33c7372de4f4f2c8a2c141f Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Mon, 24 Apr 2017 17:36:34 +0530
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Subject: [PATCH] scsi: avoid an off-by-one error in megasas_mmio_write
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While reading magic sequence(MFI_SEQ) in megasas_mmio_write,
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an off-by-one error could occur as 's->adp_reset' index is not
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reset after reading the last sequence.
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Reported-by: YY Z <bigbird475958471@gmail.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Message-Id: <20170424120634.12268-1-ppandit@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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hw/scsi/megasas.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
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index 84b8caf901..804122ab05 100644
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--- a/hw/scsi/megasas.c
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+++ b/hw/scsi/megasas.c
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@@ -2138,15 +2138,15 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
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case MFI_SEQ:
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trace_megasas_mmio_writel("MFI_SEQ", val);
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/* Magic sequence to start ADP reset */
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- if (adp_reset_seq[s->adp_reset] == val) {
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- s->adp_reset++;
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+ if (adp_reset_seq[s->adp_reset++] == val) {
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+ if (s->adp_reset == 6) {
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+ s->adp_reset = 0;
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+ s->diag = MFI_DIAG_WRITE_ENABLE;
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+ }
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} else {
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s->adp_reset = 0;
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s->diag = 0;
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}
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- if (s->adp_reset == 6) {
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- s->diag = MFI_DIAG_WRITE_ENABLE;
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- }
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break;
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case MFI_DIAG:
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trace_megasas_mmio_writel("MFI_DIAG", val);
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--
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2.13.0
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