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073931017b
linux/fs/hfsplus
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Jan Kara 073931017b posix_acl: Clear SGID bit when setting file permissions 
When file permissions are modified via chmod(2) and the user is not in
the owning group or capable of CAP_FSETID, the setgid bit is cleared in
inode_change_ok().  Setting a POSIX ACL via setxattr(2) sets the file
permissions as well as the new ACL, but doesn't clear the setgid bit in
a similar way; this allows to bypass the check in chmod(2).  Fix that.

References: CVE-2016-7097
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2016-09-22 10:55:32 +02:00
..
acl.h hfsplus: use generic posix ACL infrastructure 2014-01-25 23:58:20 -05:00
attributes.c hfsplus: remove unused routine hfsplus_attr_build_key_uni 2014-06-06 16:08:09 -07:00
bfind.c fs/hfsplus: replace if/BUG by BUG_ON 2015-04-17 09:04:05 -04:00
bitmap.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
bnode.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
brec.c hfsplus: fix B-tree corruption after insertion at position 0 2015-03-25 16:20:31 -07:00
btree.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
catalog.c qstr: constify instances in hfsplus 2016-07-20 23:30:06 -04:00
dir.c hfsplus: switch to ->iterate_shared() 2016-05-12 20:08:40 -04:00
extents.c fs/hfsplus: fix pr_foo() and hfs_dbg formats 2014-06-06 16:08:10 -07:00
hfsplus_fs.h Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
hfsplus_raw.h hfsplus: fix "unused node is not erased" error 2014-06-06 16:08:10 -07:00
inode.c file_inode(f)->i_mapping is f->f_mapping 2016-05-29 18:56:09 -04:00
ioctl.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
Kconfig hfsplus: add necessary declarations for POSIX ACLs support 2013-09-11 15:59:00 -07:00
Makefile hfsplus: integrate POSIX ACLs support into driver 2013-09-11 15:59:01 -07:00
options.c fs: create and use seq_show_option for escaping 2015-09-04 16:54:41 -07:00
part_tbl.c hfsplus: use bio op accessors 2016-06-07 13:41:38 -06:00
posix_acl.c posix_acl: Clear SGID bit when setting file permissions 2016-09-22 10:55:32 +02:00
super.c hfsplus: use bio op accessors 2016-06-07 13:41:38 -06:00
tables.c
unicode.c get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
wrapper.c hfsplus: use bio op accessors 2016-06-07 13:41:38 -06:00
xattr_security.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_trusted.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_user.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr.h switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00