In the Linux kernel, the following vulnerability has been resolved:
mm: multi-gen LRU: fix crash during cgroup migration
lru_gen_migrate_mm() assumes lru_gen_add_mm() runs prior to itself. This isn't true for the following scenario:
CPU 1 CPU 2
clone() cgroup_can_fork() cgroup_procs_write() cgroup_post_fork() task_lock() lru_gen_migrate_mm() task_unlock() task_lock() lru_gen_add_mm() task_unlock()
And when the above happens, kernel crashes because of linked list corruption (mm_struct->lru_gen.list).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade python3-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-livepatch-6.1.12-17.42Upgrade kernel-libbpf-staticUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade perfUpgrade kernel-tools-develUpgrade kernelUpgrade kernel-toolsUpgrade kernel-headersUpgrade python3-perfUpgrade kernel-devel | Jun 11, 2025 | Mar 27, 2025 |
| Debian | — | Upgrade linux | Mar 31, 2025 | Mar 27, 2025 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Jul 9, 2025 | Mar 27, 2025 |
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