CVE-2025-38195

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset()<br /> <br /> ERROR INFO:<br /> <br /> CPU 25 Unable to handle kernel paging request at virtual address 0x0<br /> ...<br /> Call Trace:<br /> [] huge_pte_offset+0x3c/0x58<br /> [] hugetlb_follow_page_mask+0x74/0x438<br /> [] __get_user_pages+0xe0/0x4c8<br /> [] faultin_page_range+0x84/0x380<br /> [] madvise_vma_behavior+0x534/0xa48<br /> [] do_madvise+0x1bc/0x3e8<br /> [] sys_madvise+0x24/0x38<br /> [] do_syscall+0x78/0x98<br /> [] handle_syscall+0xb8/0x158<br /> <br /> In some cases, pmd may be NULL and rely on NULL as the return value for<br /> processing, so it is necessary to determine this situation here.