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| author | Josh Boyer <jwboyer@fedoraproject.org> | 2016-06-07 08:12:33 -0400 |
|---|---|---|
| committer | Josh Boyer <jwboyer@fedoraproject.org> | 2016-06-07 08:15:19 -0400 |
| commit | eadac3aca530615ea8bafc9062bd035a1367cf5d (patch) | |
| tree | b200d3a9a70ebaf26e1ebf8a4bfd1743c6adeabf | |
| parent | 84558c957b3e0cdd17000affcbdbe22301443bfa (diff) | |
| download | kernel-eadac3aca530615ea8bafc9062bd035a1367cf5d.tar.gz kernel-eadac3aca530615ea8bafc9062bd035a1367cf5d.tar.xz kernel-eadac3aca530615ea8bafc9062bd035a1367cf5d.zip | |
CVE-2016-5243 info leak in tipc (rhbz 1343338 1343335)
| -rw-r--r-- | kernel.spec | 6 | ||||
| -rw-r--r-- | tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch | 32 |
2 files changed, 38 insertions, 0 deletions
diff --git a/kernel.spec b/kernel.spec index 68c45c5f8..a00ed1f7e 100644 --- a/kernel.spec +++ b/kernel.spec @@ -625,6 +625,9 @@ Patch719: kvm-vmx-more-complete-state-update-on-APICv-on-off.patch #CVE-2016-4951 rhbz 1338625 1338626 Patch720: tipc-check-nl-sock-before-parsing-nested-attributes.patch +#CVE-2016-5243 rhbz 1343338 1343335 +Patch721: tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch + # END OF PATCH DEFINITIONS %endif @@ -2150,6 +2153,9 @@ fi # # %changelog +* Tue Jun 07 2016 Josh Boyer <jwboyer@fedoraproject.org> +- CVE-2016-5243 info leak in tipc (rhbz 1343338 1343335) + * Wed Jun 01 2016 Josh Boyer <jwboyer@fedoraproject.org> - Linux v4.6.1 diff --git a/tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch b/tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch new file mode 100644 index 000000000..9cd7c09a3 --- /dev/null +++ b/tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch @@ -0,0 +1,32 @@ +From 5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 Mon Sep 17 00:00:00 2001 +From: Kangjie Lu <kangjielu@gmail.com> +Date: Thu, 2 Jun 2016 04:04:56 -0400 +Subject: tipc: fix an infoleak in tipc_nl_compat_link_dump + +link_info.str is a char array of size 60. Memory after the NULL +byte is not initialized. Sending the whole object out can cause +a leak. + +Signed-off-by: Kangjie Lu <kjlu@gatech.edu> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + net/tipc/netlink_compat.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c +index f795b1d..3ad9fab 100644 +--- a/net/tipc/netlink_compat.c ++++ b/net/tipc/netlink_compat.c +@@ -604,7 +604,8 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg, + + link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]); + link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP])); +- strcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME])); ++ nla_strlcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]), ++ TIPC_MAX_LINK_NAME); + + return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO, + &link_info, sizeof(link_info)); +-- +cgit v0.12 + |