commit: 60819cada78a66ee028324352356aeec36d11420 Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Sun Jan 31 23:49:34 2016 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Sun Jan 31 23:49:34 2016 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=60819cad
Remove redundant patch ...ing-refleak-in-join-session-CVE-2016-0728.patch | 81 ---------------------- 1 file changed, 81 deletions(-) diff --git a/1520_keyring-refleak-in-join-session-CVE-2016-0728.patch b/1520_keyring-refleak-in-join-session-CVE-2016-0728.patch deleted file mode 100644 index 49020d7..0000000 --- a/1520_keyring-refleak-in-join-session-CVE-2016-0728.patch +++ /dev/null @@ -1,81 +0,0 @@ -From 23567fd052a9abb6d67fe8e7a9ccdd9800a540f2 Mon Sep 17 00:00:00 2001 -From: Yevgeny Pats <[email protected]> -Date: Tue, 19 Jan 2016 22:09:04 +0000 -Subject: KEYS: Fix keyring ref leak in join_session_keyring() - -This fixes CVE-2016-0728. - -If a thread is asked to join as a session keyring the keyring that's already -set as its session, we leak a keyring reference. - -This can be tested with the following program: - - #include <stddef.h> - #include <stdio.h> - #include <sys/types.h> - #include <keyutils.h> - - int main(int argc, const char *argv[]) - { - int i = 0; - key_serial_t serial; - - serial = keyctl(KEYCTL_JOIN_SESSION_KEYRING, - "leaked-keyring"); - if (serial < 0) { - perror("keyctl"); - return -1; - } - - if (keyctl(KEYCTL_SETPERM, serial, - KEY_POS_ALL | KEY_USR_ALL) < 0) { - perror("keyctl"); - return -1; - } - - for (i = 0; i < 100; i++) { - serial = keyctl(KEYCTL_JOIN_SESSION_KEYRING, - "leaked-keyring"); - if (serial < 0) { - perror("keyctl"); - return -1; - } - } - - return 0; - } - -If, after the program has run, there something like the following line in -/proc/keys: - -3f3d898f I--Q--- 100 perm 3f3f0000 0 0 keyring leaked-keyring: empty - -with a usage count of 100 * the number of times the program has been run, -then the kernel is malfunctioning. If leaked-keyring has zero usages or -has been garbage collected, then the problem is fixed. - -Reported-by: Yevgeny Pats <[email protected]> -Signed-off-by: David Howells <[email protected]> -Acked-by: Don Zickus <[email protected]> -Acked-by: Prarit Bhargava <[email protected]> -Acked-by: Jarod Wilson <[email protected]> -Signed-off-by: James Morris <[email protected]> ---- - security/keys/process_keys.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c -index a3f85d2..e6d50172 100644 ---- a/security/keys/process_keys.c -+++ b/security/keys/process_keys.c -@@ -794,6 +794,7 @@ long join_session_keyring(const char *name) - ret = PTR_ERR(keyring); - goto error2; - } else if (keyring == new->session_keyring) { -+ key_put(keyring); - ret = 0; - goto error2; - } --- -cgit v0.12 -
