SUSE-SU-2026:21255-1 Security update for the Linux Kernel

The SUSE Linux Micro RT 6.0 and 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2024-38542: RDMA/manaib: boundary check before installing cq callbacks bsc1226591. - CVE-2025-39817: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare bsc124999...

kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths

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CVE-2025-40201

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...

CVE-2025-40201 kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths

In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of tasklocktsk-groupleader in sysprlimit64 paths The usage of tasklocktsk-groupleader in sysprlimit64-doprlimit path is very broken. sysprlimit64 does gettaskstructtsk but this only protects...