diff options
Diffstat (limited to 'package/kernel/mac80211/patches/328-mac80211-use-constant-time-comparison-with-keys.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/328-mac80211-use-constant-time-comparison-with-keys.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/package/kernel/mac80211/patches/328-mac80211-use-constant-time-comparison-with-keys.patch b/package/kernel/mac80211/patches/328-mac80211-use-constant-time-comparison-with-keys.patch deleted file mode 100644 index 03e8201902..0000000000 --- a/package/kernel/mac80211/patches/328-mac80211-use-constant-time-comparison-with-keys.patch +++ /dev/null @@ -1,33 +0,0 @@ -From 2bdd713b92a9cade239d3c7d15205a09f556624d Mon Sep 17 00:00:00 2001 -From: "Jason A. Donenfeld" <Jason@zx2c4.com> -Date: Tue, 17 Oct 2017 20:32:07 +0200 -Subject: [PATCH] mac80211: use constant time comparison with keys - -Otherwise we risk leaking information via timing side channel. - -Fixes: fdf7cb4185b6 ("mac80211: accept key reinstall without changing anything") -Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - net/mac80211/key.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/net/mac80211/key.c -+++ b/net/mac80211/key.c -@@ -19,6 +19,7 @@ - #include <linux/slab.h> - #include <linux/export.h> - #include <net/mac80211.h> -+#include <crypto/algapi.h> - #include <asm/unaligned.h> - #include "ieee80211_i.h" - #include "driver-ops.h" -@@ -635,7 +636,7 @@ int ieee80211_key_link(struct ieee80211_ - * new version of the key to avoid nonce reuse or replay issues. - */ - if (old_key && key->conf.keylen == old_key->conf.keylen && -- !memcmp(key->conf.key, old_key->conf.key, key->conf.keylen)) { -+ !crypto_memneq(key->conf.key, old_key->conf.key, key->conf.keylen)) { - ieee80211_key_free_unused(key); - ret = 0; - goto out; |