[linux] 01/05: net: ipv6: check route protocol when deleting routes (Closes: #855153)
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Fri Feb 17 02:15:23 UTC 2017
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commit e035177b13afb4278167f946b85080b6057da99b
Author: Ben Hutchings <ben at decadent.org.uk>
Date: Fri Feb 17 00:58:21 2017 +0000
net: ipv6: check route protocol when deleting routes (Closes: #855153)
---
debian/changelog | 1 +
...check-route-protocol-when-deleting-routes.patch | 32 ++++++++++++++++++++++
debian/patches/series | 1 +
3 files changed, 34 insertions(+)
diff --git a/debian/changelog b/debian/changelog
index e628440..927a3f9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -247,6 +247,7 @@ linux (4.9.10-1) UNRELEASED; urgency=medium
* test-patches: Use the pkg.linux.notools build profile
* test-patches: Set default number of jobs to number of available processors
* dccp: Disable auto-loading as mitigation against local exploits
+ * net: ipv6: check route protocol when deleting routes (Closes: #855153)
[ Roger Shimizu ]
* [armel] ARM: dts: orion5x-lschl: Fix model name
diff --git a/debian/patches/bugfix/all/net-ipv6-check-route-protocol-when-deleting-routes.patch b/debian/patches/bugfix/all/net-ipv6-check-route-protocol-when-deleting-routes.patch
new file mode 100644
index 0000000..0682f7a
--- /dev/null
+++ b/debian/patches/bugfix/all/net-ipv6-check-route-protocol-when-deleting-routes.patch
@@ -0,0 +1,32 @@
+From: Mantas M <grawity at gmail.com>
+Date: Fri, 16 Dec 2016 10:30:59 +0200
+Subject: net: ipv6: check route protocol when deleting routes
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+Origin: https://git.kernel.org/linus/c2ed1880fd61a998e3ce40254a99a2ad000f1a7d
+Bug-Debian: https://bugs.debian.org/855153
+
+The protocol field is checked when deleting IPv4 routes, but ignored for
+IPv6, which causes problems with routing daemons accidentally deleting
+externally set routes (observed by multiple bird6 users).
+
+This can be verified using `ip -6 route del <prefix> proto something`.
+
+Signed-off-by: Mantas Mikulėnas <grawity at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ net/ipv6/route.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -2166,6 +2166,8 @@ static int ip6_route_del(struct fib6_con
+ continue;
+ if (cfg->fc_metric && cfg->fc_metric != rt->rt6i_metric)
+ continue;
++ if (cfg->fc_protocol && cfg->fc_protocol != rt->rt6i_protocol)
++ continue;
+ dst_hold(&rt->dst);
+ read_unlock_bh(&table->tb6_lock);
+
diff --git a/debian/patches/series b/debian/patches/series
index eed5066..454a19f 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -75,6 +75,7 @@ bugfix/all/nbd-use-loff_t-for-blocksize-and-nbd_set_size-args.patch
bugfix/all/ath9k-fix-null-pointer-dereference.patch
bugfix/all/nbd-fix-64-bit-division.patch
bugfix/all/pegasus-use-heap-buffers-for-all-register-access.patch
+bugfix/all/net-ipv6-check-route-protocol-when-deleting-routes.patch
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