From e228e7711e49349b1342ae2be83530ab34883f98 Mon Sep 17 00:00:00 2001 From: Ankur Tyagi Date: Thu, 24 Sep 2026 16:32:57 +1200 Subject: [PATCH] strongswan: patch CVE-2026-78126 Use patch[1] provided by strongSwan[2] Details: https://nvd.nist.gov/vuln/detail/cve-2026-78126 [1]https://download.strongswan.org/security/CVE-2026-78126/strongswan-4.4.0-6.0.7_eap_aka_sync_fail.patch [2]https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78126).html Signed-off-by: Ankur Tyagi Signed-off-by: Anuj Mittal --- .../strongswan/CVE-2026-78126.patch | 37 +++++++++++++++++++ .../strongswan/strongswan_6.0.6.bb | 1 + 2 files changed, 38 insertions(+) create mode 100644 meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78126.patch diff --git a/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78126.patch b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78126.patch new file mode 100644 index 0000000000..307d1a9834 --- /dev/null +++ b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78126.patch @@ -0,0 +1,37 @@ +From 13aa926cad7ec7f668249b6513c938b8c2e95af4 Mon Sep 17 00:00:00 2001 +From: Tobias Brunner +Date: Thu, 4 Jun 2026 10:00:02 +0200 +Subject: [PATCH] eap-aka: Only accept AKA-Synchronization-Failure if expected + +This fixes a NULL-pointer dereference if the client sends such an error +before the server issued a challenge and allocated this->rand. + +Fixes: 26e246769224 ("ported EAP-AKA branch into trunk") +Fixes: 4735965fc048 ("EAP servers check if the received EAP message was expected") +Fixes: CVE-2026-78126 + +CVE: CVE-2026-78126 +Upstream-Status: Backport [https://github.com/strongswan/strongswan/commit/7bedb451346261370256d390a8c155b86e4b455d] + +Signed-off-by: Ankur Tyagi +--- + src/libcharon/plugins/eap_aka/eap_aka_server.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/src/libcharon/plugins/eap_aka/eap_aka_server.c b/src/libcharon/plugins/eap_aka/eap_aka_server.c +index 0712ccc..95d4b03 100644 +--- a/src/libcharon/plugins/eap_aka/eap_aka_server.c ++++ b/src/libcharon/plugins/eap_aka/eap_aka_server.c +@@ -505,6 +505,12 @@ static status_t process_synchronize(private_eap_aka_server_t *this, + simaka_attribute_t type; + chunk_t data, auts = chunk_empty; + ++ if (this->pending != AKA_CHALLENGE) ++ { ++ DBG1(DBG_IKE, "received %N, but not expected", ++ simaka_subtype_names, AKA_SYNCHRONIZATION_FAILURE); ++ return FAILED; ++ } + if (this->synchronized) + { + DBG1(DBG_IKE, "received %N, but peer did already resynchronize", diff --git a/meta-networking/recipes-support/strongswan/strongswan_6.0.6.bb b/meta-networking/recipes-support/strongswan/strongswan_6.0.6.bb index e7a5370f03..82dbd3367c 100644 --- a/meta-networking/recipes-support/strongswan/strongswan_6.0.6.bb +++ b/meta-networking/recipes-support/strongswan/strongswan_6.0.6.bb @@ -12,6 +12,7 @@ SRC_URI = "https://download.strongswan.org/strongswan-${PV}.tar.bz2 \ file://CVE-2026-47895.patch \ file://CVE-2026-78123.patch \ file://CVE-2026-78124.patch \ + file://CVE-2026-78126.patch \ " SRC_URI[sha256sum] = "07df7cedae56a7f3bb07e66d21a1f9f87e961db70e99184e11d3819413e4f87c"