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Backport patch file to fix CVE-2017-9263 Signed-off-by: Fan Xin <fan.xin@jp.fujitsu.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
30 lines
794 B
Diff
30 lines
794 B
Diff
A buggy or malicious switch could send a role status message with a bad
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reason code, which if printed by OVS would cause it to abort. This fixes
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the problem.
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CVE: CVE-2017-9263
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Upstream-Status: Submitted
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Reported-by: Bhargava Shastry <bshastry at sec.t-labs.tu-berlin.de>
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Signed-off-by: Ben Pfaff <blp at ovn.org>
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---
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lib/ofp-print.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/lib/ofp-print.c b/lib/ofp-print.c
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index 7ca953100539..1932baf4871f 100644
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--- a/lib/ofp-print.c
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+++ b/lib/ofp-print.c
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@@ -2147,7 +2147,8 @@ ofp_print_role_status_message(struct ds *string, const struct ofp_header *oh)
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break;
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case OFPCRR_N_REASONS:
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default:
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- OVS_NOT_REACHED();
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+ ds_put_cstr(string, "(unknown)");
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+ break;
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}
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}
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--
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2.10.2
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