diff options
Diffstat (limited to 'main/xen/e1000.patch')
-rw-r--r-- | main/xen/e1000.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/main/xen/e1000.patch b/main/xen/e1000.patch deleted file mode 100644 index 0be637661..000000000 --- a/main/xen/e1000.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 3cf61880403b4e484539596a95937cc066243388 Mon Sep 17 00:00:00 2001 -From: Ian Campbell <Ian.Campbell@citrix.com> -Date: Thu, 2 Feb 2012 13:47:06 +0000 -Subject: [PATCH] e1000: bounds packet size against buffer size - -Otherwise we can write beyond the buffer and corrupt memory. This is tracked -as CVE-2012-0029. - -Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> - -(Backported from qemu upstream 65f82df0d7a71ce1b10cd4c5ab08888d176ac840 - by Ian Campbell.) - -Signed-off-by: Ian Campbell <Ian.Campbell@citrix.com> -(cherry picked from commit ebe37b2a3f844bad02dcc30d081f39eda06118f8) ---- - hw/e1000.c | 3 +++ - 1 files changed, 3 insertions(+), 0 deletions(-) - -diff --git a/tools/ioemu-qemu-xen/hw/e1000.c b/tools/ioemu-qemu-xen/hw/e1000.c -index bb3689e..97104ed 100644 ---- a/tools/ioemu-qemu-xen/hw/e1000.c -+++ b/tools/ioemu-qemu-xen/hw/e1000.c -@@ -444,6 +444,8 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp) - bytes = split_size; - if (tp->size + bytes > msh) - bytes = msh - tp->size; -+ -+ bytes = MIN(sizeof(tp->data) - tp->size, bytes); - cpu_physical_memory_read(addr, tp->data + tp->size, bytes); - if ((sz = tp->size + bytes) >= hdr && tp->size < hdr) - memmove(tp->header, tp->data, hdr); -@@ -459,6 +461,7 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp) - // context descriptor TSE is not set, while data descriptor TSE is set - DBGOUT(TXERR, "TCP segmentaion Error\n"); - } else { -+ split_size = MIN(sizeof(tp->data) - tp->size, split_size); - cpu_physical_memory_read(addr, tp->data + tp->size, split_size); - tp->size += split_size; - } --- -1.7.2.5 |