{"id":"CVE-2022-50812","summary":"security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang \u003e 15.0.6","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsecurity: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang \u003e 15.0.6\n\nA bad bug in clang's implementation of -fzero-call-used-regs can result\nin NULL pointer dereferences (see the links above the check for more\ninformation). Restrict CONFIG_CC_HAS_ZERO_CALL_USED_REGS to either a\nsupported GCC version or a clang newer than 15.0.6, which will catch\nboth a theoretical 15.0.7 and the upcoming 16.0.0, which will both have\nthe bug fixed.","modified":"2026-04-02T08:28:46.591164Z","published":"2025-12-30T12:08:29.434Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50812.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b202dfedb5aa2e7d07d849be33fa3a48c026926"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d6a9fb87e9d18f3394a9845546bbe868efdccfd2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50812.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50812"},{"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":"a82adfd5c7cb4b8bb37ef439aed954f9972bb618"},{"fixed":"8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c"},{"fixed":"0b202dfedb5aa2e7d07d849be33fa3a48c026926"},{"fixed":"21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e"},{"fixed":"d6a9fb87e9d18f3394a9845546bbe868efdccfd2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50812.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50812.json"}}],"schema_version":"1.7.5"}