Vinícius dos Santos Oliveira 05e2adf509 Validate fds created by the user
write_mapping() will do the following:

openat(proc_dir_fd, map_file, O_WRONLY);

An attacker could create a directory containing a symlink named
"uid_map" pointing to any file owned by root, and thus allow him to
overwrite any root-owned file.
2023-02-24 16:20:57 -06:00
..
2023-02-23 20:28:43 -06:00
2023-02-24 12:44:14 -06:00
2023-02-23 20:28:43 -06:00
2022-12-29 13:58:49 -06:00
2021-12-23 19:36:50 -06:00
2021-12-23 19:36:50 -06:00
2023-02-09 10:03:03 -06:00
2021-12-23 19:36:50 -06:00
2023-02-09 10:03:03 -06:00
2023-02-24 16:20:57 -06:00
2023-02-09 10:03:03 -06:00
2023-02-23 20:28:43 -06:00
2021-12-23 19:36:50 -06:00
2021-12-23 19:36:50 -06:00
2021-12-23 19:36:50 -06:00
2023-02-23 20:28:43 -06:00
2021-12-23 19:36:50 -06:00
2023-02-23 20:28:43 -06:00
2021-12-23 19:36:50 -06:00
2023-02-23 20:28:43 -06:00
2022-12-22 11:43:29 +01:00
2023-02-16 11:29:33 +01:00
2022-12-22 11:43:29 +01:00
2023-02-23 20:28:43 -06:00
2023-02-09 10:03:03 -06:00
2021-12-23 19:36:50 -06:00
2022-12-22 11:43:29 +01:00
2022-05-24 07:49:11 -05:00
2023-02-09 10:03:03 -06:00
2021-12-23 19:36:50 -06:00
2023-02-23 20:28:43 -06:00
2023-02-23 20:28:43 -06:00
2022-05-24 07:49:11 -05:00
2022-12-22 11:43:29 +01:00
2022-12-22 11:43:29 +01:00
2023-02-23 20:28:43 -06:00
2022-12-22 11:43:29 +01:00
2023-02-23 20:28:43 -06:00
2021-12-23 19:36:50 -06:00
2023-02-09 10:03:03 -06:00
2023-02-09 10:03:03 -06:00
2021-12-23 19:36:50 -06:00
2023-01-26 22:44:39 -06:00
2023-02-23 20:28:43 -06:00
2023-02-23 20:28:43 -06:00
2023-02-16 11:29:33 +01:00
2023-02-16 11:29:33 +01:00
2023-02-23 20:28:43 -06:00
2023-02-09 10:03:03 -06:00
2010-03-18 19:23:00 +00:00