{"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": "2025-12-30T12:23:21.675Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:23:21.675Z"}, "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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "89357aa97b521fca76e39d81e2b1ac5edb3d0b96", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "329a76635548ee8fceb3b78c7d54d96524e80925", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b327c68ace71ba9cb3105ae6a5955a229e9bdca3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "3f3d54962a032581996edda8e6bcbf7a30371234", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e6d276dcc9204f95632580c43d66c52ca502d7ec", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "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": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/89357aa97b521fca76e39d81e2b1ac5edb3d0b96"}, {"url": "https://git.kernel.org/stable/c/329a76635548ee8fceb3b78c7d54d96524e80925"}, {"url": "https://git.kernel.org/stable/c/b327c68ace71ba9cb3105ae6a5955a229e9bdca3"}, {"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": "2025-12-30T13:16:03.387", "metrics": {}, "published": "2025-12-30T13:16:03.387", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/329a76635548ee8fceb3b78c7d54d96524e80925"}, {"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/89357aa97b521fca76e39d81e2b1ac5edb3d0b96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b327c68ace71ba9cb3105ae6a5955a229e9bdca3"}, {"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": "Received"}

{}

{}