Vulnerability in Linux

CVE-2025-38195

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset() ERROR INFO: CPU 25 Unable to handle kernel paging request at virtual address 0x0 ... Call Trace: [<900000000023c30c>] huge_pte_offset+0x3c/0x58 [<900000000057fd4c>] hugetlb_follow_page_mask+0x74/0x438 [<900000000051fee8>] __get_user_pages+0xe0/0x4c8 [<9000000000522414>] faultin_page_range+0x84/0x380 [<9000000000564e8c>] madvise_vma_behavior+0x534/0xa48 [<900000000056689c>] do_madvise+0x1bc/0x3e8 [<9000000000566df4>] sys_madvise+0x24/0x38 [<90000000015b9e88>] do_syscall+0x78/0x98 [<9000000000221f18>] handle_syscall+0xb8/0x158 In some cases, pmd may be NULL and rely on NULL as the return value for processing, so it is necessary to determine this situation here.

EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions 6.14.5, 51424fd171cee6a33f01f7c66b8eb23ac42289d4, b49f085cd671addbda4802d6b9382513f7dd0f30
  • Linux Linux_kernel — versions 6.15

References

Frequently asked questions

What is CVE-2025-38195?
CVE-2025-38195 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-07-04.
How severe is CVE-2025-38195?
Medium severity. CVSS v3 base score is 5.5 out of 10.