diff options
Diffstat (limited to 'gnu/packages/patches/qemu-CVE-2015-8558.patch')
| -rw-r--r-- | gnu/packages/patches/qemu-CVE-2015-8558.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2015-8558.patch b/gnu/packages/patches/qemu-CVE-2015-8558.patch deleted file mode 100644 index f755d735cb..0000000000 --- a/gnu/packages/patches/qemu-CVE-2015-8558.patch +++ /dev/null @@ -1,48 +0,0 @@ -From 156a2e4dbffa85997636a7a39ef12da6f1b40254 Mon Sep 17 00:00:00 2001 -From: Gerd Hoffmann <kraxel@redhat.com> -Date: Mon, 14 Dec 2015 09:21:23 +0100 -Subject: [PATCH] ehci: make idt processing more robust - -Make ehci_process_itd return an error in case we didn't do any actual -iso transfer because we've found no active transaction. That'll avoid -ehci happily run in circles forever if the guest builds a loop out of -idts. - -This is CVE-2015-8558. - -Cc: qemu-stable@nongnu.org -Reported-by: Qinghao Tang <luodalongde@gmail.com> -Tested-by: P J P <ppandit@redhat.com> -Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> ---- - hw/usb/hcd-ehci.c | 5 +++-- - 1 file changed, 3 insertions(+), 2 deletions(-) - -diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c -index 4e2161b..d07f228 100644 ---- a/hw/usb/hcd-ehci.c -+++ b/hw/usb/hcd-ehci.c -@@ -1389,7 +1389,7 @@ static int ehci_process_itd(EHCIState *ehci, - { - USBDevice *dev; - USBEndpoint *ep; -- uint32_t i, len, pid, dir, devaddr, endp; -+ uint32_t i, len, pid, dir, devaddr, endp, xfers = 0; - uint32_t pg, off, ptr1, ptr2, max, mult; - - ehci->periodic_sched_active = PERIODIC_ACTIVE; -@@ -1479,9 +1479,10 @@ static int ehci_process_itd(EHCIState *ehci, - ehci_raise_irq(ehci, USBSTS_INT); - } - itd->transact[i] &= ~ITD_XACT_ACTIVE; -+ xfers++; - } - } -- return 0; -+ return xfers ? 0 : -1; - } - - --- -2.6.3 - |