# CVE-2025-38195: linux: In the Linux kernel, the following vulnerability has been resolved:  LoongArch: Fix panic caused by NULL-PMD in huge_...

CVE-2025-38195 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-38195, released July 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-38195
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 4, 2025

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.12.35-1 | [DEBIAN-CVE-2025-38195](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38195.md) | Jul 4, 2025 |
| Linux | linux Debian 14 | 6.12.35-1 | [DEBIAN-CVE-2025-38195](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38195.md) | Jul 4, 2025 |

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