{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50812","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:07.130Z","datePublished":"2025-12-30T12:08:29.434Z","dateUpdated":"2026-05-11T19:25:35.722Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:25:35.722Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsecurity: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/Kconfig.hardening"],"versions":[{"version":"a82adfd5c7cb4b8bb37ef439aed954f9972bb618","lessThan":"8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c","status":"affected","versionType":"git"},{"version":"a82adfd5c7cb4b8bb37ef439aed954f9972bb618","lessThan":"0b202dfedb5aa2e7d07d849be33fa3a48c026926","status":"affected","versionType":"git"},{"version":"a82adfd5c7cb4b8bb37ef439aed954f9972bb618","lessThan":"21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e","status":"affected","versionType":"git"},{"version":"a82adfd5c7cb4b8bb37ef439aed954f9972bb618","lessThan":"d6a9fb87e9d18f3394a9845546bbe868efdccfd2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/Kconfig.hardening"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c"},{"url":"https://git.kernel.org/stable/c/0b202dfedb5aa2e7d07d849be33fa3a48c026926"},{"url":"https://git.kernel.org/stable/c/21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e"},{"url":"https://git.kernel.org/stable/c/d6a9fb87e9d18f3394a9845546bbe868efdccfd2"}],"title":"security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6","x_generator":{"engine":"bippy-1.2.0"}}}}