diff options
| author | Gu Zheng <guzheng1@huawei.com> | 2017-01-09 09:34:48 +0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2017-01-27 17:15:02 +0100 |
| commit | b0369e53c851f8cd87afd059d360a4f646840c8c (patch) | |
| tree | b71aa2505f3e6bc6e3e7a4a26fa5b49afcca43ac /arch/x86 | |
| parent | ded56d6d88168cb8cb46a50456929fb5f8aae600 (diff) | |
tmpfs: clear S_ISGID when setting posix ACLs
commit 497de07d89c1410d76a15bec2bb41f24a2a89f31 upstream.
This change was missed the tmpfs modification in In CVE-2016-7097
commit 073931017b49 ("posix_acl: Clear SGID bit when setting
file permissions")
It can test by xfstest generic/375, which failed to clear
setgid bit in the following test case on tmpfs:
touch $testfile
chown 100:100 $testfile
chmod 2755 $testfile
_runas -u 100 -g 101 -- setfacl -m u::rwx,g::rwx,o::rwx $testfile
Signed-off-by: Gu Zheng <guzheng1@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'arch/x86')
0 files changed, 0 insertions, 0 deletions