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authorArmin Kuster <akuster@mvista.com>2016-01-30 19:29:32 -0800
committerSaul Wold <sgw@linux.intel.com>2016-02-01 08:24:05 -0800
commit1656eaa722952861ec73362776bd0c4826aec3da (patch)
treee4d9870ffa5beace9e34095922af52865e150c37 /meta
parenta159f9dcf3806f2c3677775d6fb131dab17a5a17 (diff)
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bind: Security fix CVE-2015-8461
CVE-2015-8461 bind: race condition when handling socket errors can lead to an assertion failure in resolver.c\ Signed-off-by: Armin Kuster <akuster@mvista.com>
Diffstat (limited to 'meta')
-rw-r--r--meta/recipes-connectivity/bind/bind/CVE-2015-8461.patch44
-rw-r--r--meta/recipes-connectivity/bind/bind_9.10.2-P4.bb1
2 files changed, 45 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/bind/bind/CVE-2015-8461.patch b/meta/recipes-connectivity/bind/bind/CVE-2015-8461.patch
new file mode 100644
index 0000000000..88e9c83421
--- /dev/null
+++ b/meta/recipes-connectivity/bind/bind/CVE-2015-8461.patch
@@ -0,0 +1,44 @@
+From adbf81335b67be0cebdcf9f1f4fcb38ef4814f4d Mon Sep 17 00:00:00 2001
+From: Mark Andrews <marka@isc.org>
+Date: Thu, 25 Jun 2015 18:36:27 +1000
+Subject: [PATCH] 4146. [bug] Address reference leak that could
+ prevent a clean shutdown. [RT #37125]
+
+Upstream-Status: Backport
+
+https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=commit;h=adbf81335b67be0cebdcf9f1f4fcb38ef4814f4d
+
+CVE: CVE-2015-8461
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+---
+ CHANGES | 3 +++
+ lib/dns/resolver.c | 5 +++++
+ 2 files changed, 8 insertions(+)
+
+Index: bind-9.10.2-P4/CHANGES
+===================================================================
+--- bind-9.10.2-P4.orig/CHANGES
++++ bind-9.10.2-P4/CHANGES
+@@ -1,3 +1,6 @@
++4146. [bug] Address reference leak that could prevent a clean
++ shutdown. [RT #37125]
++
+ 4260. [security] Insufficient testing when parsing a message allowed
+ records with an incorrect class to be be accepted,
+ triggering a REQUIRE failure when those records
+Index: bind-9.10.2-P4/lib/dns/resolver.c
+===================================================================
+--- bind-9.10.2-P4.orig/lib/dns/resolver.c
++++ bind-9.10.2-P4/lib/dns/resolver.c
+@@ -1649,6 +1649,11 @@ fctx_query(fetchctx_t *fctx, dns_adbaddr
+ if (query->dispatch != NULL)
+ dns_dispatch_detach(&query->dispatch);
+
++ LOCK(&res->buckets[fctx->bucketnum].lock);
++ INSIST(fctx->references > 1);
++ fctx->references--;
++ UNLOCK(&res->buckets[fctx->bucketnum].lock);
++
+ cleanup_query:
+ if (query->connects == 0) {
+ query->magic = 0;
diff --git a/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb b/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
index b22dbf3a1a..19f87d7934 100644
--- a/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
+++ b/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
@@ -24,6 +24,7 @@ SRC_URI = "ftp://ftp.isc.org/isc/bind9/${PV}/${BPN}-${PV}.tar.gz \
file://CVE-2015-8704.patch \
file://CVE-2015-8705.patch \
file://CVE-2015-8000.patch \
+ file://CVE-2015-8461.patch \
"
SRC_URI[md5sum] = "8b1f5064837756c938eadc1537dec5c7"