Security update for the Linux Kernel (Live Patch 1 for SUSE Linux Enterprise 16)
This update for the SUSE Linux Enterprise kernel 6.12.0-160000.6.1 fixes various security issues The following security issues were fixed: - CVE-2025-39963: io_uring: fix incorrect io_kiocb reference in io_link_skb (bsc#1251982). - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). - CVE-2025-40212: nfsd: fix refcount leak in nfsd_set_fh_dentry() (bsc#1254196). The following non security issues was fixed: - Explicitly add module-common.c with vermagic and retpoline modinfo (bsc#1252270).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the SUSE Linux Enterprise kernel 6.12.0-160000.6.1 fixes various security issues The following security issues were fixed: - CVE-2025-39963: io_uring: fix incorrect io_kiocb reference in io_link_skb (bsc#1251982). - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). - CVE-2025-40212: nfsd: fix refcount leak in nfsd_set_fh_dentry() (bsc#1254196). The following non security issues was fixed: - Explicitly add module-common.c with vermagic and retpoline modinfo (bsc#1252270).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1251982
- https://bugzilla.suse.com/1252270
- https://bugzilla.suse.com/1253437
- https://bugzilla.suse.com/1254196
- https://www.suse.com/security/cve/CVE-2025-39963
- https://www.suse.com/security/cve/CVE-2025-40204
- https://www.suse.com/security/cve/CVE-2025-40212
- https://www.suse.com/support/update/announcement/2026/suse-su-202620202-1/