diff options
Diffstat (limited to 'meta-networking/recipes-protocols/frr/frr/CVE-2023-41909.patch')
| -rw-r--r-- | meta-networking/recipes-protocols/frr/frr/CVE-2023-41909.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-networking/recipes-protocols/frr/frr/CVE-2023-41909.patch b/meta-networking/recipes-protocols/frr/frr/CVE-2023-41909.patch new file mode 100644 index 0000000000..b27d7af166 --- /dev/null +++ b/meta-networking/recipes-protocols/frr/frr/CVE-2023-41909.patch @@ -0,0 +1,42 @@ +From 5966b6a1fc72d3698d08199922cc4f42ea7fc9eb Mon Sep 17 00:00:00 2001 +From: Donald Sharp <sharpd@nvidia.com> +Date: Fri, 8 Sep 2023 11:46:12 +0000 +Subject: [PATCH] bgpd: Limit flowspec to no attribute means a implicit + withdrawal + +All other parsing functions done from bgp_nlri_parse() assume +no attributes == an implicit withdrawal. Let's move +bgp_nlri_parse_flowspec() into the same alignment. + +Reported-by: Matteo Memelli <mmemelli@amazon.it> +Signed-off-by: Donald Sharp <sharpd@nvidia.com> + +CVE: CVE-2023-41909 + +Upstream-Status: Backport [https://github.com/FRRouting/frr/commit/cfd04dcb3e689754a72507d086ba3b9709fc5ed8] + +Signed-off-by: Narpat Mali <narpat.mali@windriver.com> +--- + bgpd/bgp_flowspec.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/bgpd/bgp_flowspec.c b/bgpd/bgp_flowspec.c +index 341cfe9d0..3e2b1ac49 100644 +--- a/bgpd/bgp_flowspec.c ++++ b/bgpd/bgp_flowspec.c +@@ -112,6 +112,13 @@ int bgp_nlri_parse_flowspec(struct peer *peer, struct attr *attr, + afi = packet->afi; + safi = packet->safi; + ++ /* ++ * All other AFI/SAFI's treat no attribute as a implicit ++ * withdraw. Flowspec should as well. ++ */ ++ if (!attr) ++ withdraw = 1; ++ + if (packet->length >= FLOWSPEC_NLRI_SIZELIMIT_EXTENDED) { + flog_err(EC_BGP_FLOWSPEC_PACKET, + "BGP flowspec nlri length maximum reached (%u)", +-- +2.40.0 |