{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50883", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.138Z", "datePublished": "2025-12-30T12:23:21.675Z", "dateUpdated": "2026-01-02T15:05:16.927Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-02T15:05:16.927Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Prevent decl_tag from being referenced in func_proto arg\n\nSyzkaller managed to hit another decl_tag issue:\n\n btf_func_proto_check kernel/bpf/btf.c:4506 [inline]\n btf_check_all_types kernel/bpf/btf.c:4734 [inline]\n btf_parse_type_sec+0x1175/0x1980 kernel/bpf/btf.c:4763\n btf_parse kernel/bpf/btf.c:5042 [inline]\n btf_new_fd+0x65a/0xb00 kernel/bpf/btf.c:6709\n bpf_btf_load+0x6f/0x90 kernel/bpf/syscall.c:4342\n __sys_bpf+0x50a/0x6c0 kernel/bpf/syscall.c:5034\n __do_sys_bpf kernel/bpf/syscall.c:5093 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5091 [inline]\n __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5091\n do_syscall_64+0x54/0x70 arch/x86/entry/common.c:48\n\nThis seems similar to commit ea68376c8bed (\"bpf: prevent decl_tag from being\nreferenced in func_proto\") but for the argument."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/btf.c"], "versions": [{"version": "b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef", "lessThan": "3f3d54962a032581996edda8e6bcbf7a30371234", "status": "affected", "versionType": "git"}, {"version": "b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef", "lessThan": "e6d276dcc9204f95632580c43d66c52ca502d7ec", "status": "affected", "versionType": "git"}, {"version": "b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef", "lessThan": "f17472d4599697d701aa239b4c475a506bccfd19", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/btf.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "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": "5.16", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3f3d54962a032581996edda8e6bcbf7a30371234"}, {"url": "https://git.kernel.org/stable/c/e6d276dcc9204f95632580c43d66c52ca502d7ec"}, {"url": "https://git.kernel.org/stable/c/f17472d4599697d701aa239b4c475a506bccfd19"}], "title": "bpf: Prevent decl_tag from being referenced in func_proto arg", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Prevent decl_tag from being referenced in func_proto arg\n\nSyzkaller managed to hit another decl_tag issue:\n\n btf_func_proto_check kernel/bpf/btf.c:4506 [inline]\n btf_check_all_types kernel/bpf/btf.c:4734 [inline]\n btf_parse_type_sec+0x1175/0x1980 kernel/bpf/btf.c:4763\n btf_parse kernel/bpf/btf.c:5042 [inline]\n btf_new_fd+0x65a/0xb00 kernel/bpf/btf.c:6709\n bpf_btf_load+0x6f/0x90 kernel/bpf/syscall.c:4342\n __sys_bpf+0x50a/0x6c0 kernel/bpf/syscall.c:5034\n __do_sys_bpf kernel/bpf/syscall.c:5093 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5091 [inline]\n __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5091\n do_syscall_64+0x54/0x70 arch/x86/entry/common.c:48\n\nThis seems similar to commit ea68376c8bed (\"bpf: prevent decl_tag from being\nreferenced in func_proto\") but for the argument."}], "id": "CVE-2022-50883", "lastModified": "2026-01-02T15:15:56.237", "metrics": {}, "published": "2025-12-30T13:16:03.387", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3f3d54962a032581996edda8e6bcbf7a30371234"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e6d276dcc9204f95632580c43d66c52ca502d7ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f17472d4599697d701aa239b4c475a506bccfd19"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bpf: Prevent decl_tag from being referenced in func_proto arg", "id": "2426204", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426204"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50883", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "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-2022-50883\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50883\nhttps://lore.kernel.org/linux-cve-announce/2025123025-CVE-2022-50883-09fa@gregkh/T"], "threat_severity": "Low"}

{}