[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2022-50334":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":40,"related":41,"reserved_at":9,"published_at":48,"modified_at":49,"state":50,"summary":51,"references_raw":60,"kevs":87,"epss":88,"epss_history":91,"metrics":357,"affected":363},"CVE-2022-50334","In the Linux kernel, the following vulnerability has been resolved:\n\nhugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()\n\nSyzkaller reports a null-ptr-deref bug as follows:\n======================================================\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nRIP: 0010:hugetlbfs_parse_param+0x1dd/0x8e0 fs/hugetlbfs/inode.c:1380\n[...]\nCall Trace:\n \u003CTASK>\n vfs_parse_fs_param fs/fs_context.c:148 [inline]\n vfs_parse_fs_param+0x1f9/0x3c0 fs/fs_context.c:129\n vfs_parse_fs_string+0xdb/0x170 fs/fs_context.c:191\n generic_parse_monolithic+0x16f/0x1f0 fs/fs_context.c:231\n do_new_mount fs/namespace.c:3036 [inline]\n path_mount+0x12de/0x1e20 fs/namespace.c:3370\n do_mount fs/namespace.c:3383 [inline]\n __do_sys_mount fs/namespace.c:3591 [inline]\n __se_sys_mount fs/namespace.c:3568 [inline]\n __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n [...]\n \u003C/TASK>\n======================================================\n\nAccording to commit \"vfs: parse: deal with zero length string value\",\nkernel will set the param->string to null pointer in vfs_parse_fs_string()\nif fs string has zero length.\n\nYet the problem is that, hugetlbfs_parse_param() will dereference the\nparam->string, without checking whether it is a null pointer.  To be more\nspecific, if hugetlbfs_parse_param() parses an illegal mount parameter,\nsuch as \"size=,\", kernel will constructs struct fs_parameter with null\npointer in vfs_parse_fs_string(), then passes this struct fs_parameter to\nhugetlbfs_parse_param(), which triggers the above null-ptr-deref bug.\n\nThis patch solves it by adding sanity check on param->string\nin hugetlbfs_parse_param().",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-476","NULL Pointer Dereference","The product dereferences a pointer that it expects to be valid but is 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