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: [] 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.
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux-kernel | โ | โ |
References
Similar Threats
- High CVE-2022-0400
- Medium CVE-2022-0480
- Medium CVE-2022-0168
- Medium CVE-2022-0171
- Medium CVE-2022-0322
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