CVE-2025-38195 - CVE House
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Status published Unknown CVE-2025-38195

LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset()

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
2ca9380b12711afe95b3589bd82b59623b3c96b3, 51424fd171cee6a33f01f7c66b8eb23ac42289d4, bd51834d1cf65a2c801295d230c220aeebf87a73, 34256805720993e37adf6127371a1265aea8376a, b49f085cd671addbda4802d6b9382513f7dd0f30, 6.6.89, 6.12.26, 6.1.136, 6.14.5, 6.15, 0, 6.6.95, 6.12.35, 6.15.4, 6.16

Timeline

Official Publish: July 4th, 2025
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.