Merge pull request #36380 from xeji/xen-4-8-xsa

xen 4.8: add xsa security patches 252-256

pkgs/applications/virtualization/xen/4.8.nix

···
     XSA_249
     XSA_250
     XSA_251_48
+    XSA_252_49
+    # 253: 4.8 not affected
+    # 254: no patch supplied by xen project (Meltdown/Spectre)
+    XSA_255_49_1
+    XSA_255_49_2
+    XSA_256_48
     xenlockprofpatch
     xenpmdpatch
   ];

pkgs/applications/virtualization/xen/xsa-patches.nix

···
       sha256 = "079wi0j6iydid2zj7k584w2c393kgh588w7sjz2nn4039qn8k9mq";
     })
   ];
+  # 4.8
+  XSA_252_49 = [
+   (xsaPatch {
+      name = "252-4.9";
+      sha256 = "03sbn90nlkk5ba1n168rxjkc7x3mqj7rfqvspbwblmwikfbnms2n";
+    })
+  ];
+  # 4.8
+  XSA_255_49_1= [
+   (xsaPatch {
+      name = "255-4.9-1";
+      sha256 = "0gbin7yxbkq40lvm3gvj1vffavvbng3zpd2m8l1kqyz0rv4vm9zc";
+    })
+  ];
+  # 4.8
+  XSA_255_49_2= [
+   (xsaPatch {
+      name = "255-4.9-2";
+      sha256 = "0fyg5nnyfpfr80qq83pr64zjp5w1nx94bdblzsjap8gaqcahyr12";
+    })
+  ];
+  # 4.8
+  XSA_256_48= [
+   (xsaPatch {
+      name = "256-4.8";
+      sha256 = "1w84f717kxwx0h3rw18r4f8pl0l1h5xlj5fy80sr0ws4xkp1qdn4";
+    })
+  ];
+
 
 }