diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0001-CVE-2018-11806-QEMU-slirp-heap-buffer-overflow.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/0001-CVE-2018-11806-QEMU-slirp-heap-buffer-overflow.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0001-CVE-2018-11806-QEMU-slirp-heap-buffer-overflow.patch b/meta/recipes-devtools/qemu/qemu/0001-CVE-2018-11806-QEMU-slirp-heap-buffer-overflow.patch deleted file mode 100644 index 837b65a79a..0000000000 --- a/meta/recipes-devtools/qemu/qemu/0001-CVE-2018-11806-QEMU-slirp-heap-buffer-overflow.patch +++ /dev/null @@ -1,70 +0,0 @@ -CVE: CVE-2018-11806 -Upstream-Status: Backport - -https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.html - -From dc21a9d2951f0a2a7e63633e2b5c68c54e4edc4b Mon Sep 17 00:00:00 2001 -From: Jeremy Puhlman <jpuhlman@mvista.com> -Date: Thu, 14 Jun 2018 01:28:49 +0000 -Subject: [PATCH] CVE-2018-11806 QEMU: slirp: heap buffer overflow - -Subject: [Qemu-devel] [PATCH 1/2] slirp: correct size computation while concatenating mbuf -Date: Tue, 5 Jun 2018 23:38:35 +0530 -From: Prasad J Pandit <address@hidden> - -While reassembling incoming fragmented datagrams, 'm_cat' routine -extends the 'mbuf' buffer, if it has insufficient room. It computes -a wrong buffer size, which leads to overwriting adjacent heap buffer -area. Correct this size computation in m_cat. - -Reported-by: ZDI Disclosures <address@hidden> -Signed-off-by: Prasad J Pandit <address@hidden> ---- - slirp/mbuf.c | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - -Signed-off-by: Jeremy Puhlman <jpuhlman@mvista.com> ---- - slirp/mbuf.c | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - -diff --git a/slirp/mbuf.c b/slirp/mbuf.c -index 5ff2455..7fb4501 100644 ---- a/slirp/mbuf.c -+++ b/slirp/mbuf.c -@@ -138,7 +138,7 @@ m_cat(struct mbuf *m, struct mbuf *n) - * If there's no room, realloc - */ - if (M_FREEROOM(m) < n->m_len) -- m_inc(m,m->m_size+MINCSIZE); -+ m_inc(m, m->m_len + n->m_len); - - memcpy(m->m_data+m->m_len, n->m_data, n->m_len); - m->m_len += n->m_len; -@@ -158,12 +158,12 @@ m_inc(struct mbuf *m, int size) - - if (m->m_flags & M_EXT) { - datasize = m->m_data - m->m_ext; -- m->m_ext = g_realloc(m->m_ext, size); -+ m->m_ext = g_realloc(m->m_ext, size + datasize); - m->m_data = m->m_ext + datasize; - } else { - char *dat; - datasize = m->m_data - m->m_dat; -- dat = g_malloc(size); -+ dat = g_malloc(size + datasize); - memcpy(dat, m->m_dat, m->m_size); - - m->m_ext = dat; -@@ -171,7 +171,7 @@ m_inc(struct mbuf *m, int size) - m->m_flags |= M_EXT; - } - -- m->m_size = size; -+ m->m_size = size + datasize; - - } - --- -2.13.3 - |