{"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": "2026-01-02T15:04:47.424Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-02T15:04:47.424Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2022-50812", "lastModified": "2025-12-31T20:43:05.160", "metrics": {}, "published": "2025-12-30T13:15:55.537", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b202dfedb5aa2e7d07d849be33fa3a48c026926"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6a9fb87e9d18f3394a9845546bbe868efdccfd2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6", "id": "2426230", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426230"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50812", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50812\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50812\nhttps://lore.kernel.org/linux-cve-announce/2025123013-CVE-2022-50812-5eac@gregkh/T"]}