[Buildroot] [PATCH] package/xen: add XSA-385, 386, 388, 389 security fixes

[Peter Korsgaard]

Fixes the following security issues:

- XSA-385: guests may exceed their designated memory limit
  https://xenbits.xenproject.org/xsa/advisory-385.html

- XSA-386: PCI devices with RMRRs not deassigned correctly
  https://xenbits.xenproject.org/xsa/advisory-386.html

- XSA-388: PoD operations on misaligned GFNs
  https://xenbits.xenproject.org/xsa/advisory-388.html

- XSA-389: issues with partially successful P2M updates on x86
  https://xenbits.xenproject.org/xsa/advisory-389.html

Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/xen/xen.hash |  9 +++++++++
 package/xen/xen.mk   | 17 +++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/package/xen/xen.hash b/package/xen/xen.hash
index e30db09516..10a778053a 100644
--- a/package/xen/xen.hash
+++ b/package/xen/xen.hash
@@ -1,3 +1,12 @@
 # Locally computed
 sha256  a3dad76a772393a1875e8f44a6059a95fea4bde40f97b800966969ac6f3a498d  xen-4.14.3.tar.gz
 sha256  ecca9538e9d3f7e3c2bff827502f4495e2ef9e22c451298696ea08886b176c2c  COPYING
+# https://xenbits.xenproject.org/xsa/advisory-385.html
+sha256  831e86c3adfec532b1a48a0b967b7c58c37db3733aee8d78216eb9d535b34f12  xsa385-4.15.patch
+# https://xenbits.xenproject.org/xsa/advisory-386.html
+sha256  f2f83c825e249bba9454437b48bbd8307fe7a224f56484388a67af124dfd279b  xsa386.patch
+# https://xenbits.xenproject.org/xsa/advisory-388.html
+sha256  6917267482101a3f8f1d13905e14994344a0af81370c7a2b92275fb176b321a0  xsa388-4.14-1.patch
+sha256  d5886e046c69f34f98f7e1fc6ffcc36d92f8fc79242b9dc88412c39aa79b4ac3  xsa388-4.14-2.patch
+# https://xenbits.xenproject.org/xsa/advisory-389.html
+sha256  b243284679b32ab8c817a2e41562d8694d9781fa8096c268bb41b0cd91684baa  xsa389-4.14.patch
diff --git a/package/xen/xen.mk b/package/xen/xen.mk
index b635996afb..cfc166dc4c 100644
--- a/package/xen/xen.mk
+++ b/package/xen/xen.mk
@@ -11,6 +11,23 @@ XEN_LICENSE_FILES = COPYING
 XEN_CPE_ID_VENDOR = xen
 XEN_CPE_ID_PREFIX = cpe:2.3:o
 XEN_DEPENDENCIES = host-acpica host-python3
+XEN_PATCH = \
+	https://xenbits.xenproject.org/xsa/xsa385-4.15.patch \
+	https://xenbits.xenproject.org/xsa/xsa386.patch \
+	https://xenbits.xenproject.org/xsa/xsa388-4.14-1.patch \
+	https://xenbits.xenproject.org/xsa/xsa388-4.14-2.patch \
+	https://xenbits.xenproject.org/xsa/xsa389-4.14.patch
+
+# xsa385-4.15.patch
+XEN_IGNORE_CVES += CVE-2021-28706
+# xsa386.patch
+XEN_IGNORE_CVES += CVE-2021-28702
+# xsa388-4.14-1.patch
+XEN_IGNORE_CVES += CVE-2021-28704 CVE-2021-28707
+# xsa388-4.14-2.patch
+XEN_IGNORE_CVES += CVE-2021-28708
+# xsa389-4.14.patch
+XEN_IGNORE_CVES += CVE-2021-28705 CVE-2021-28709
 
 # Calculate XEN_ARCH
 ifeq ($(ARCH),aarch64)
-- 
2.20.1