UBUNTU-CVE-2022-50883

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent decltag from being referenced in funcproto arg Syzkaller managed to hit another decltag issue: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline btfparsetypesec+0x1175/0x198...

CVE-2022-50883

CVE-2022-50883 concerns the Linux kernel, where a bpf-related vulnerability allowed a decl_tag to be referenced in a function prototype argument. The issue surfaces when parsing BTF/func_proto during bpf_btf_load and related paths, as Syzkaller traced an offending decl_tag usage through btf_func_...