{"id":"CVE-2022-50497","summary":"binfmt_misc: fix shift-out-of-bounds in check_special_flags","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbinfmt_misc: fix shift-out-of-bounds in check_special_flags\n\nUBSAN reported a shift-out-of-bounds warning:\n\n left shift of 1 by 31 places cannot be represented in type 'int'\n Call Trace:\n  \u003cTASK\u003e\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x8d/0xcf lib/dump_stack.c:106\n  ubsan_epilogue+0xa/0x44 lib/ubsan.c:151\n  __ubsan_handle_shift_out_of_bounds+0x1e7/0x208 lib/ubsan.c:322\n  check_special_flags fs/binfmt_misc.c:241 [inline]\n  create_entry fs/binfmt_misc.c:456 [inline]\n  bm_register_write+0x9d3/0xa20 fs/binfmt_misc.c:654\n  vfs_write+0x11e/0x580 fs/read_write.c:582\n  ksys_write+0xcf/0x120 fs/read_write.c:637\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x34/0x80 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n RIP: 0033:0x4194e1\n\nSince the type of Node's flags is unsigned long, we should define these\nmacros with same type too.","modified":"2026-03-20T11:47:30.480574Z","published":"2025-10-04T15:43:48.656Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4320-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50497.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0f1a48994b3e516d5c7fd5d12204fdba7a604771"},{"type":"WEB","url":"https://git.kernel.org/stable/c/419b808504c26b3e3342365f34ccd0843e09a7f8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6a46bf558803dd2b959ca7435a5c143efe837217"},{"type":"WEB","url":"https://git.kernel.org/stable/c/88cea1676a09f7c45a1438153a126610c33b1590"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97382a2639b1cd9631f6069061e9d7062cd2b098"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a651bb5ff997b9f02662bcdef3d8b4e6f0d79656"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a91123d4bda463469f68f0427adabf8108001f94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dcbc51d31d0afbd45e830e3cf565a7b3ca7bf0d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ea6145370be8016755c43aca799815fc4b8c88b1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50497.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50497"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"0f1a48994b3e516d5c7fd5d12204fdba7a604771"},{"fixed":"ea6145370be8016755c43aca799815fc4b8c88b1"},{"fixed":"97382a2639b1cd9631f6069061e9d7062cd2b098"},{"fixed":"419b808504c26b3e3342365f34ccd0843e09a7f8"},{"fixed":"dcbc51d31d0afbd45e830e3cf565a7b3ca7bf0d8"},{"fixed":"88cea1676a09f7c45a1438153a126610c33b1590"},{"fixed":"a651bb5ff997b9f02662bcdef3d8b4e6f0d79656"},{"fixed":"a91123d4bda463469f68f0427adabf8108001f94"},{"fixed":"6a46bf558803dd2b959ca7435a5c143efe837217"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50497.json"}}],"schema_version":"1.7.5"}