diff --git a/pkgs/os-specific/linux/kernel/linux-3.12.nix b/pkgs/os-specific/linux/kernel/linux-3.12.nix
index a0d089807193..f82eb073de9a 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.12.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.12.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, perl, buildLinux, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.12.70";
+  version = "3.12.71";
   extraMeta.branch = "3.12";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-    sha256 = "07l6wjhlii2qlki447d702fi1ycyd85iq750xjmsnnz9xrilw7sc";
+    sha256 = "11wmrj2zqb3x2az22q7ggdp6ibhqmlngy7v01fm8vrhz7f6lwf87";
   };
 
   kernelPatches = args.kernelPatches;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fa03b80c3f74..96647e83a675 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11414,7 +11414,6 @@ with pkgs;
   linux_3_12 = callPackage ../os-specific/linux/kernel/linux-3.12.nix {
     kernelPatches = with kernelPatches;
       [ bridge_stp_helper
-        DCCP_double_free_vulnerability_CVE-2017-6074
       ]
       ++ lib.optionals ((platform.kernelArch or null) == "mips")
       [ kernelPatches.mips_fpureg_emu