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Josef Schlehofer
8e1b62d4bb
Fixes CVEs: - CVE-2020-35498 - In DPDK: CVE-2015-8011 and CVE-2020-27827 - In LLDP: CVE-2019-14818, CVE-2020-10722, CVE-2020-10723 and CVE-2020-10724 Removed patches: - 0001-compat-Include-confirm_neigh-parameter-if-needed.patch because they are included in this release as it was backported - 0010-acinclude-Fix-build-with-kernels-with-prandom-moved-.patch included in this release as it was backported Other patches were refreshed. Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 64fad2453bc409bf9728a14d8ae630d602e77842 Mon Sep 17 00:00:00 2001
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From: Helmut Schaa <helmut.schaa@googlemail.com>
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Date: Wed, 8 Jan 2014 13:48:49 +0100
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Subject: [PATCH] netdev-linux: Let interface flag survive internal port setup
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Due to a race condition when bringing up an internal port on Linux
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some interface flags (e.g. IFF_MULTICAST) are falsely reset. This
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happens because netlink events may be processed after the according
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netdev has been brought up (which sets interface flags).
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Fix this by reading the interface flags just before updating them
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if they have not been updated by from the kernel yet.
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Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
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---
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lib/netdev-linux.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/lib/netdev-linux.c
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+++ b/lib/netdev-linux.c
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@@ -3119,7 +3119,13 @@ update_flags(struct netdev_linux *netdev
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unsigned int old_flags, new_flags;
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int error = 0;
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- old_flags = netdev->ifi_flags;
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+ if (!(netdev->cache_valid & VALID_DRVINFO)) {
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+ /* Most likely the debvice flags are not in sync yet, fetch them now */
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+ get_flags(&netdev->up, &old_flags);
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+ } else {
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+ old_flags = netdev->ifi_flags;
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+ }
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+
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*old_flagsp = iff_to_nd_flags(old_flags);
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new_flags = (old_flags & ~nd_to_iff_flags(off)) | nd_to_iff_flags(on);
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if (new_flags != old_flags) {
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