CVE-2026-23416 mm/mseal: update VMA end correctly on merge

In the Linux kernel, the following vulnerability has been resolved: mm/mseal: update VMA end correctly on merge Previously we stored the end of the current VMA in currend, and then upon iterating to the next VMA updated currstart to currend to advance to the next VMA. However, this doesn't take...

kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

A flaw was found in the Linux kernel where the coredump implementation does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs. This allows local users to obtain sensitive information, cause a denial of service DoS, or possibly have unspecified other impa...