{"id":"DEBIAN-CVE-2022-50883","details":"In the Linux kernel, the following vulnerability has been resolved:  bpf: Prevent decl_tag from being referenced in func_proto arg  Syzkaller managed to hit another decl_tag issue:    btf_func_proto_check kernel/bpf/btf.c:4506 [inline]   btf_check_all_types kernel/bpf/btf.c:4734 [inline]   btf_parse_type_sec+0x1175/0x1980 kernel/bpf/btf.c:4763   btf_parse kernel/bpf/btf.c:5042 [inline]   btf_new_fd+0x65a/0xb00 kernel/bpf/btf.c:6709   bpf_btf_load+0x6f/0x90 kernel/bpf/syscall.c:4342   __sys_bpf+0x50a/0x6c0 kernel/bpf/syscall.c:5034   __do_sys_bpf kernel/bpf/syscall.c:5093 [inline]   __se_sys_bpf kernel/bpf/syscall.c:5091 [inline]   __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5091   do_syscall_64+0x54/0x70 arch/x86/entry/common.c:48  This seems similar to commit ea68376c8bed (\"bpf: prevent decl_tag from being referenced in func_proto\") but for the argument.","modified":"2026-09-01T16:05:36.593149331Z","published":"2025-12-30T13:16:03.387Z","upstream":["CVE-2022-50883"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-50883"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50883.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50883.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50883.json"}}],"schema_version":"1.9.0"}