CVE-2026-31746

CVE-2026-31746 concerns the Linux kernel’s s390/zcrypt component. When Common Cryptographic Architecture (CCA) cards are used as accelerators for clear key RSA requests (ME and CRT), a memory leak occurs due to an unreleased memory allocation in the AP message handling. The issue stems from a rew...

CVE-2026-31746

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...

CVE-2026-31746 s390/zcrypt: Fix memory leak with CCA cards used as accelerator

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...

CVE-2026-31746: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...

DEBIAN-CVE-2026-40253

openCryptoki is a PKCS11 library and provides tooling for Linux and AIX. In versions 3.26.0 and below, the BER/DER decoding functions in the shared common library asn1.c accept a raw pointer but no buffer length parameter, and trust attacker-controlled BER length fields without validating them...

CVE-2026-4988

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

EUVD-2026-16895

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

CVE-2026-4988

Open5GS 2.7.6 contains a denial-of-service vulnerability in the CCA Message Handler, affecting the functions smf_gx_cca_cb, smf_gy_cca_cb, and smf_s6b. The issue can be triggered remotely and stems from the manipulation of the mentioned components. Exploitability is described as difficult, and ex...

CVE-2026-4988 Open5GS CCA Message smf_s6b denial of service

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

CVE-2026-4988 Open5GS CCA Message smf_s6b denial of service

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

CVE-2026-4988

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

CVE-2026-4988: Improper Resource Shutdown or Release

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smfgxccacb/smfgyccacb/smfs6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitabilit...

Open5GS security vulnerabilities

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for Lte/Nr networks. Version 2.7.6 of Open5GS contains a security vulnerability. This vulnerability stems from defects in the CCA message processing function, which may lead to...

CVE-2026-4240

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

EUVD-2026-12433

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240

Open5GS CVE-2026-4240 affects the CCA Handler in versions up to 2.7.6. The vulnerable functions are smf_gx_cca_cb, smf_gy_cca_cb, smf_s6b_aaa_cb, and smf_s6b_sta_cb. Root cause: improper handling in the CCA Handler leads to denial of service. Impact is remote, with no authentication required for ...

CVE-2026-4240 Open5GS CCA smf_s6b_sta_cb denial of service

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

Open5GS security vulnerabilities

Open5GS is Open5GS open source an open source implementation in C of 5G Core and Epc, the core network of the Lte/Nr network. A denial of service vulnerability exists in Open5GS version 2.7.6 and earlier. The vulnerability stems from the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of t...

CVE-2026-4240: Improper Resource Shutdown or Release

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...