diff options
Diffstat (limited to 'external/poky/meta/recipes-devtools/qemu/qemu/CVE-2019-6778.patch')
| -rw-r--r-- | external/poky/meta/recipes-devtools/qemu/qemu/CVE-2019-6778.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/external/poky/meta/recipes-devtools/qemu/qemu/CVE-2019-6778.patch b/external/poky/meta/recipes-devtools/qemu/qemu/CVE-2019-6778.patch deleted file mode 100644 index 5b145960..00000000 --- a/external/poky/meta/recipes-devtools/qemu/qemu/CVE-2019-6778.patch +++ /dev/null @@ -1,41 +0,0 @@ -From b6c0fa3b435375918714e107b22de2ef13a41c26 Mon Sep 17 00:00:00 2001 -From: Prasad J Pandit <pjp@fedoraproject.org> -Date: Sun, 13 Jan 2019 23:29:48 +0530 -Subject: [PATCH] slirp: check data length while emulating ident function - -While emulating identification protocol, tcp_emu() does not check -available space in the 'sc_rcv->sb_data' buffer. It could lead to -heap buffer overflow issue. Add check to avoid it. - -Reported-by: Kira <864786842@qq.com> -Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> -Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> - -CVE: CVE-2019-6778 -Upstream-Status: Backport -[https://git.qemu.org/?p=qemu.git;a=commit;h=a7104eda7dab99d0cdbd3595c211864cba415905] - -Signed-off-by: Dan Tran <dantran@microsoft.com> ---- - slirp/tcp_subr.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c -index 8d0f94b75f..7277aadfdf 100644 ---- a/slirp/tcp_subr.c -+++ b/slirp/tcp_subr.c -@@ -640,6 +640,11 @@ tcp_emu(struct socket *so, struct mbuf *m) - socklen_t addrlen = sizeof(struct sockaddr_in); - struct sbuf *so_rcv = &so->so_rcv; - -+ if (m->m_len > so_rcv->sb_datalen -+ - (so_rcv->sb_wptr - so_rcv->sb_data)) { -+ return 1; -+ } -+ - memcpy(so_rcv->sb_wptr, m->m_data, m->m_len); - so_rcv->sb_wptr += m->m_len; - so_rcv->sb_rptr += m->m_len; --- -2.22.0.vfs.1.1.57.gbaf16c8 - |