Security update for the Linux Kernel SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2025:4507-1 Final 1 1 2025-12-22T16:46:54Z current 2025-12-22T16:46:54Z 2025-12-22T16:46:54Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2025-4507,SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2025-4507 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2025/suse-su-20254507-1/ Link for SUSE-SU-2025:4507-1 https://lists.suse.com/pipermail/sle-security-updates/2025-December/023638.html E-Mail link for SUSE-SU-2025:4507-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1251786 SUSE Bug 1251786 https://www.suse.com/security/cve/CVE-2023-53676/ SUSE CVE CVE-2023-53676 page SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-debug-3.0.101-108.195.1 kernel-debug-base-3.0.101-108.195.1 kernel-debug-devel-3.0.101-108.195.1 kernel-debug-extra-3.0.101-108.195.1 kernel-debug-hmac-3.0.101-108.195.1 kernel-default-3.0.101-108.195.1 kernel-default-base-3.0.101-108.195.1 kernel-default-devel-3.0.101-108.195.1 kernel-default-extra-3.0.101-108.195.1 kernel-default-hmac-3.0.101-108.195.1 kernel-docs-3.0.101-108.195.1 kernel-ec2-3.0.101-108.195.1 kernel-ec2-base-3.0.101-108.195.1 kernel-ec2-devel-3.0.101-108.195.1 kernel-ec2-extra-3.0.101-108.195.1 kernel-ec2-hmac-3.0.101-108.195.1 kernel-pae-3.0.101-108.195.1 kernel-pae-base-3.0.101-108.195.1 kernel-pae-devel-3.0.101-108.195.1 kernel-pae-extra-3.0.101-108.195.1 kernel-pae-hmac-3.0.101-108.195.1 kernel-source-3.0.101-108.195.1 kernel-source-vanilla-3.0.101-108.195.1 kernel-syms-3.0.101-108.195.1 kernel-trace-3.0.101-108.195.1 kernel-trace-base-3.0.101-108.195.1 kernel-trace-devel-3.0.101-108.195.1 kernel-trace-extra-3.0.101-108.195.1 kernel-trace-hmac-3.0.101-108.195.1 kernel-vanilla-3.0.101-108.195.1 kernel-vanilla-base-3.0.101-108.195.1 kernel-vanilla-devel-3.0.101-108.195.1 kernel-vanilla-hmac-3.0.101-108.195.1 kernel-xen-3.0.101-108.195.1 kernel-xen-base-3.0.101-108.195.1 kernel-xen-devel-3.0.101-108.195.1 kernel-xen-extra-3.0.101-108.195.1 kernel-xen-hmac-3.0.101-108.195.1 kernel-default-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-base-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-devel-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-docs-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-ec2-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-ec2-base-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-ec2-devel-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-syms-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-trace-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-trace-base-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-trace-devel-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-xen-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-xen-base-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-xen-devel-3.0.101-108.195.1 as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() The function lio_target_nacl_info_show() uses sprintf() in a loop to print details for every iSCSI connection in a session without checking for the buffer length. With enough iSCSI connections it's possible to overflow the buffer provided by configfs and corrupt the memory. This patch replaces sprintf() with sysfs_emit_at() that checks for buffer boundries. CVE-2023-53676 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-docs-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-base-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-devel-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-source-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-syms-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-base-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-devel-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-base-3.0.101-108.195.1 SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-devel-3.0.101-108.195.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-20254507-1/ https://www.suse.com/security/cve/CVE-2023-53676.html CVE-2023-53676 https://bugzilla.suse.com/1251786 SUSE Bug 1251786 https://bugzilla.suse.com/1251787 SUSE Bug 1251787