From: RISCi_ATOM <bob@bobcall.me>
Date: Wed, 20 Feb 2019 23:48:27 +0000 (-0500)
Subject: Fix CVE-2019-8912 :  net: crypto set sk to NULL when af_alg_release. : 9060cb719e61b6... 
X-Git-Tag: v1.4.7~8
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3a3cd11885fe5d5e1978f9ba7bdb0da1eb8ac071;p=librecmc%2Flibrecmc.git

Fix CVE-2019-8912 :  net: crypto set sk to NULL when af_alg_release. : 9060cb719e61b685ec0102574e10337fa5f445ea
---

diff --git a/target/linux/generic/patches-4.4/999-fix_cve-2019-8912.patch b/target/linux/generic/patches-4.4/999-fix_cve-2019-8912.patch
new file mode 100644
index 0000000000..8e04cc358c
--- /dev/null
+++ b/target/linux/generic/patches-4.4/999-fix_cve-2019-8912.patch
@@ -0,0 +1,14 @@
+--- a/crypto/af_alg.c
++++ b/crypto/af_alg.c
+@@ -121,8 +121,10 @@ static void alg_do_release(const struct
+ 
+ int af_alg_release(struct socket *sock)
+ {
+-	if (sock->sk)
++	if (sock->sk) {
+ 		sock_put(sock->sk);
++		sock->sk = NULL;
++	}
+ 	return 0;
+ }
+ EXPORT_SYMBOL_GPL(af_alg_release);