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net-snmp: patch CVE-2025-68615

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Pick patch per [1].

[1] https://security-tracker.debian.org/tracker/CVE-2025-68615

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Peter Marko 2026-01-07 23:11:17 +01:00 committed by Anuj Mittal
parent 1477114ae4
commit 98f1eff432
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2 changed files with 34 additions and 0 deletions
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33
meta-networking/recipes-protocols/net-snmp/net-snmp/CVE-2025-68615.patch Normal file
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@ -0,0 +1,33 @@
From b4e6f826d9ddcc2d72eac432746807e1234266db Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 2 Nov 2025 14:48:55 -0800
Subject: [PATCH] snmptrapd: Fix out-of-bounds trapOid[] accesses
Fixes: https://issues.oss-fuzz.com/issues/457106694
Fixes: https://issues.oss-fuzz.com/issues/458668421
Fixes: https://issues.oss-fuzz.com/issues/458876071
CVE: CVE-2025-68615
Upstream-Status: Backport [https://github.com/net-snmp/net-snmp/commit/b4e6f826d9ddcc2d72eac432746807e1234266db]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
apps/snmptrapd_handlers.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/apps/snmptrapd_handlers.c b/apps/snmptrapd_handlers.c
index 6cd126f26..afd93ed0f 100644
--- a/apps/snmptrapd_handlers.c
+++ b/apps/snmptrapd_handlers.c
@@ -1112,6 +1112,12 @@ snmp_input(int op, netsnmp_session *session,
*/
if (pdu->trap_type == SNMP_TRAP_ENTERPRISESPECIFIC) {
trapOidLen = pdu->enterprise_length;
+ /*
+ * Drop packets that would trigger an out-of-bounds trapOid[]
+ * access.
+ */
+ if (trapOidLen < 1 || trapOidLen > OID_LENGTH(trapOid) - 2)
+ return 1;
memcpy(trapOid, pdu->enterprise, sizeof(oid) * trapOidLen);
if (trapOid[trapOidLen - 1] != 0) {
trapOid[trapOidLen++] = 0;

1
meta-networking/recipes-protocols/net-snmp/net-snmp_5.9.4.bb
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@ -30,6 +30,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/net-snmp/net-snmp-${PV}.tar.gz \
file://0001-Android-Fix-the-build.patch \ file://0001-Android-Fix-the-build.patch \
file://netsnmp-swinst-crash.patch \ file://netsnmp-swinst-crash.patch \
file://net-snmp-5.9.4-kernel-6.7.patch \ file://net-snmp-5.9.4-kernel-6.7.patch \
file://CVE-2025-68615.patch \
" "
SRC_URI[sha256sum] = "8b4de01391e74e3c7014beb43961a2d6d6fa03acc34280b9585f4930745b0544" SRC_URI[sha256sum] = "8b4de01391e74e3c7014beb43961a2d6d6fa03acc34280b9585f4930745b0544"