qemu/0023-scsi-esp-respect-FIFO-invariant-after-message-phase.patch
Cole Robinson cf91b1dfd9 CVE-2016-4002: net: buffer overflow in MIPSnet (bz #1326083)
CVE-2016-4952 scsi: pvscsi: out-of-bounds access issue
CVE-2016-4964: scsi: mptsas infinite loop (bz #1339157)
CVE-2016-5106: scsi: megasas: out-of-bounds write (bz #1339581)
CVE-2016-5105: scsi: megasas: stack information leakage (bz #1339585)
CVE-2016-5107: scsi: megasas: out-of-bounds read (bz #1339573)
CVE-2016-4454: display: vmsvga: out-of-bounds read (bz #1340740)
CVE-2016-4453: display: vmsvga: infinite loop (bz #1340744)
CVE-2016-5126: block: iscsi: buffer overflow (bz #1340925)
CVE-2016-5238: scsi: esp: OOB write (bz #1341932)
CVE-2016-5338: scsi: esp: OOB r/w access (bz #1343325)
CVE-2016-5337: scsi: megasas: information leakage (bz #1343910)
Fix crash with -nodefaults -sdl (bz #1340931)
Add deps on edk2-ovmf and edk2-aarch64
2016-06-22 09:40:57 -04:00

27 lines
795 B
Diff

From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 14 Jun 2016 15:10:24 +0200
Subject: [PATCH] scsi: esp: respect FIFO invariant after message phase
The FIFO contains two bytes; hence the write ptr should be two bytes ahead
of the read pointer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit d020aa504cec8f525b55ba2ef982c09dc847c72e)
---
hw/scsi/esp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index c2f6f8f..6407844 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -222,7 +222,7 @@ static void write_response(ESPState *s)
} else {
s->ti_size = 2;
s->ti_rptr = 0;
- s->ti_wptr = 0;
+ s->ti_wptr = 2;
s->rregs[ESP_RFLAGS] = 2;
}
esp_raise_irq(s);