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Test your applicationsThere is no fixed version for Centos:9
kernel-core
.
Note: Versions mentioned in the description apply only to the upstream kernel-core
package and not the kernel-core
package as distributed by Centos
.
See How to fix?
for Centos:9
relevant fixed versions and status.
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).