From d51117ccde04623b7e697d7e12f36241dcad522d Mon Sep 17 00:00:00 2001 From: Thomas Perale Date: Sun, 22 Feb 2026 21:34:23 +0100 Subject: [PATCH] package/netsnmp: add patch for CVE-2025-68615 Fixes the following security vulnerability: - CVE-2025-68615: net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially crafted packet to an net- snmp snmptrapd daemon can cause a buffer overflow and the daemon to crash. This issue has been patched in versions 5.9.5 and 5.10.pre2. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2025-68615 - https://github.com/net-snmp/net-snmp/commit/b4e6f826d9ddcc2d72eac432746807e1234266db Signed-off-by: Thomas Perale Signed-off-by: Julien Olivain --- ...d-Fix-out-of-bounds-trapOid-accesses.patch | 32 +++++++++++++++++++ package/netsnmp/netsnmp.mk | 2 ++ 2 files changed, 34 insertions(+) create mode 100644 package/netsnmp/0004-snmptrapd-Fix-out-of-bounds-trapOid-accesses.patch diff --git a/package/netsnmp/0004-snmptrapd-Fix-out-of-bounds-trapOid-accesses.patch b/package/netsnmp/0004-snmptrapd-Fix-out-of-bounds-trapOid-accesses.patch new file mode 100644 index 0000000000..a937b53644 --- /dev/null +++ b/package/netsnmp/0004-snmptrapd-Fix-out-of-bounds-trapOid-accesses.patch @@ -0,0 +1,32 @@ +From b4e6f826d9ddcc2d72eac432746807e1234266db Mon Sep 17 00:00:00 2001 +From: Bart Van Assche +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: https://github.com/net-snmp/net-snmp/commit/b4e6f826d9ddcc2d72eac432746807e1234266db +Signed-off-by: Thomas Perale +--- + apps/snmptrapd_handlers.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/apps/snmptrapd_handlers.c b/apps/snmptrapd_handlers.c +index 6cd126f266..afd93ed0fb 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; diff --git a/package/netsnmp/netsnmp.mk b/package/netsnmp/netsnmp.mk index a79c13c611..1c7e406a4e 100644 --- a/package/netsnmp/netsnmp.mk +++ b/package/netsnmp/netsnmp.mk @@ -11,6 +11,8 @@ NETSNMP_LICENSE = Various BSD-like NETSNMP_LICENSE_FILES = COPYING NETSNMP_CPE_ID_VENDOR = net-snmp NETSNMP_CPE_ID_PRODUCT = $(NETSNMP_CPE_ID_VENDOR) +# 0004-snmptrapd-Fix-out-of-bounds-trapOid-accesses.patch +NETSNMP_IGNORE_CVES += CVE-2025-68615 NETSNMP_SELINUX_MODULES = snmp NETSNMP_INSTALL_STAGING = YES NETSNMP_CONF_ENV = \