CVE-2025-38195
mediumIn 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 t…
Vendor / product: Linux — linux kernel
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: [] huge_pte_offset+0x3c/0x58 [] hugetlb_follow_page_mask+0x74/0x438 [] __get_user_pages+0xe0/0x4c8 [] faultin_page_range+0x84/0x380 [] madvise_vma_behavior+0x534/0xa48 [] do_madvise+0x1bc/0x3e8 [] sys_madvise+0x24/0x38 [] do_syscall+0x78/0x98 [] 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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://git.kernel.org/stable/c/55a9a7d21309bbea1dd629cf28396521a2803bb3 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/985f086f281b7bbb6644851e63af1a17ffff9277 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/b427d98d55217b53c88643579fbbd8a4c351a105 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/b5c7397b7fd125203c60b59860c168ee92291272 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/ee084fa96123ede8b0563a1b5a9b23adc43cd50d 416baaa9-dc9f-4396-8d5f-8c081fb06d67
