Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 2ca9380b12711afe95b3589bd82b59623b3c96b3 before b427d98d55217b53c88643579fbbd8a4c351a105; affected 51424fd171cee6a33f01f7c66b8eb23ac42289d4 before 985f086f281b7bbb6644851e63af1a17ffff9277; affected bd51834d1cf65a2c801295d230c220aeebf87a73 before b5c7397b7fd125203c60b59860c168ee92291272; affected bd51834d1cf65a2c801295d230c220aeebf87a73 before ee084fa96123ede8b0563a1b5a9b23adc43cd50d; affected 34256805720993e37adf6127371a1265aea8376a; affected b49f085cd671addbda4802d6b9382513f7dd0f30; affected 6.6.89 before 6.6.95; affected 6.12.26 before 6.12.35; affected 6.1.136 before 6.2; affected 6.14.5 before 6.15 |
| Linux / Linux | affected 6.15; unaffected 0 before 6.15; unaffected 6.6.95 through 6.6.*; unaffected 6.12.35 through 6.12.*; unaffected 6.15.4 through 6.15.*; unaffected 6.16 through * |
CWE
No CWE identifiers supplied.