CVE-2019-5736
Backport upstream patches for CVE-2019-5736
Include commits:
2d4a37b427167907ef2402586a8e8e2931a22490 nsenter: cloned_binary: userspace copy fallback if sendfile fails
16612d74de5f84977e50a9c8ead7f0e9e13b8628 nsenter: cloned_binary: try to ro-bind /proc/self/exe before copying
af9da0a45082783f6005b252488943b5ee2e2138 nsenter: cloned_binary: use the runc statedir for O_TMPFILE
2429d59352b81f6b9cc79b5ed26780c5fe6ba4ec nsenter: cloned_binary: expand and add pre-3.11 fallbacks
5b775bf297c47a6bc50e36da89d1ec74a6fa01dc nsenter: cloned_binary: detect and handle short copies
bb7d8b1f41f7bf0399204d54009d6da57c3cc775 nsexec (CVE-2019-5736): avoid parsing environ
0a8e4117e7f715d5fbeef398405813ce8e88558b nsenter: clone /proc/self/exe to avoid exposing host binary to container
Debian-Bug: https://bugs.debian.org/922050
Gbp-Pq: Name CVE-2019-5736.patch