| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Thu, 19 May 2011 15:57:02 +0400 From: samsonov@...sta.ru To: linux-kernel@...r.kernel.org Subject: fs/attr.c patch --- ./linux-2.6.33.4.orig/fs/attr.c 2010-05-13 02:04:27.000000000 +0400 +++ ./linux-2.6.33.4/fs/attr.c 2011-05-19 15:43:14.533672804 +0400 @@ -35,9 +35,7 @@ /* Make sure caller can chgrp. */ if ((ia_valid & ATTR_GID) && - (current_fsuid() != inode->i_uid || - (!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid)) && - !capable(CAP_CHOWN)) + !(in_group_p(attr->ia_gid) && is_owner_or_cap(inode))) goto error; /* Make sure a caller can chmod. */ I think that fileowner can change group of file. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists