{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49862", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.236Z", "datePublished": "2025-05-01T14:10:15.742Z", "dateUpdated": "2025-05-04T12:45:17.323Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T12:45:17.323Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header\n\nThis is a follow-up for commit 974cb0e3e7c9 (\"tipc: fix uninit-value\nin tipc_nl_compat_name_table_dump\") where it should have type casted\nsizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative\nvalue.\n\nsyzbot reported a call trace because of it:\n\n BUG: KMSAN: uninit-value in ...\n tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934\n __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238\n tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321\n tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324\n genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]\n genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]\n genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792\n netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501\n genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg net/socket.c:734 [inline]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tipc/netlink_compat.c"], "versions": [{"version": "4c559fb7e111077b56f62ccf833a52d8169cde19", "lessThan": "082707d3df191bf5bb8801d43e4ce3dea39ca173", "status": "affected", "versionType": "git"}, {"version": "2aae1723dea1235ffef183daf0694805297424f6", "lessThan": "a0ead1d648df9c456baec832b494513ef405949a", "status": "affected", "versionType": "git"}, {"version": "2d5fc1d492d194aa2986c5a9d8a48a60e9143a72", "lessThan": "55a253a6753a603e80b95932ca971ba514aa6ce7", "status": "affected", "versionType": "git"}, {"version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01", "lessThan": "36769b9477491a7af6635863bd950309c1e1b96c", "status": "affected", "versionType": "git"}, {"version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01", "lessThan": "f31dd158580940938f77514b87337a777520185a", "status": "affected", "versionType": "git"}, {"version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01", "lessThan": "301caa06091af4d5cf056ac8249cbda4e6029c6a", "status": "affected", "versionType": "git"}, {"version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01", "lessThan": "6cee2c60bd168279852ac7dbe54c2b70d1028644", "status": "affected", "versionType": "git"}, {"version": "974cb0e3e7c963ced06c4e32c5b2884173fa5e01", "lessThan": "1c075b192fe41030457cd4a5f7dea730412bca40", "status": "affected", "versionType": "git"}, {"version": "c25352f9ad5dffb4de95069e67891e2aa2e99e50", "status": "affected", "versionType": "git"}, {"version": "5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tipc/netlink_compat.c"], "versions": [{"version": "5.0", "status": "affected"}, {"version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.334", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.300", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.267", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.225", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.155", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.79", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.9", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.9.152", "versionEndExcluding": "4.9.334"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.95", "versionEndExcluding": "4.14.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.17", "versionEndExcluding": "4.19.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.4.225"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.10.155"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.15.79"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.0.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.172"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/082707d3df191bf5bb8801d43e4ce3dea39ca173"}, {"url": "https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949a"}, {"url": "https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7"}, {"url": "https://git.kernel.org/stable/c/36769b9477491a7af6635863bd950309c1e1b96c"}, {"url": "https://git.kernel.org/stable/c/f31dd158580940938f77514b87337a777520185a"}, {"url": "https://git.kernel.org/stable/c/301caa06091af4d5cf056ac8249cbda4e6029c6a"}, {"url": "https://git.kernel.org/stable/c/6cee2c60bd168279852ac7dbe54c2b70d1028644"}, {"url": "https://git.kernel.org/stable/c/1c075b192fe41030457cd4a5f7dea730412bca40"}], "title": "tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A22B7234-9290-41F2-A8B0-6782137A0E8A", "versionEndExcluding": "4.5", "versionStartIncluding": "4.4.172", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1729E55A-9863-4AA9-884B-A3D5B295B485", "versionEndExcluding": "4.9.334", "versionStartIncluding": "4.9.152", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "80BD5D93-5773-4107-BC1B-9B7028CB6664", "versionEndExcluding": "4.14.300", "versionStartIncluding": "4.14.95", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6BE4C0F8-46CB-4A0C-82EA-F11DAA29C473", "versionEndExcluding": "4.19.267", "versionStartIncluding": "4.19.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "54280D03-52A8-48F4-A160-3D4398F0878C", "versionEndExcluding": "5.4.225", "versionStartIncluding": "4.20.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "172AC75C-0949-4468-9C58-64E2893EF0CE", "versionEndExcluding": "5.10.155", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "39DC45D8-E30E-4F4A-9332-393B7BCF6900", "versionEndExcluding": "5.15.79", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3F26709-7D49-4AF0-8145-46CCF4E8E2AD", "versionEndExcluding": "6.0.9", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header\n\nThis is a follow-up for commit 974cb0e3e7c9 (\"tipc: fix uninit-value\nin tipc_nl_compat_name_table_dump\") where it should have type casted\nsizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative\nvalue.\n\nsyzbot reported a call trace because of it:\n\n BUG: KMSAN: uninit-value in ...\n tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934\n __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238\n tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321\n tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324\n genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]\n genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]\n genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792\n netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501\n genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg net/socket.c:734 [inline]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: corrige la comprobaci\u00f3n de longitud del tlv msg->req en tipc_nl_compat_name_table_dump_header Este es un seguimiento del commit 974cb0e3e7c9 (\"tipc: corrige uninit-value en tipc_nl_compat_name_table_dump\") donde deber\u00eda haber convertido el tipo sizeof(..) a int para que funcione cuando TLV_GET_DATA_LEN() devuelve un valor negativo. syzbot inform\u00f3 un seguimiento de llamadas debido a esto: ERROR: KMSAN: valor no inicializado en ... tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934 __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238 tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321 tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792 netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501 genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] "}], "id": "CVE-2022-49862", "lastModified": "2025-05-07T13:22:46.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2025-05-01T15:16:11.097", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/082707d3df191bf5bb8801d43e4ce3dea39ca173"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c075b192fe41030457cd4a5f7dea730412bca40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/301caa06091af4d5cf056ac8249cbda4e6029c6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36769b9477491a7af6635863bd950309c1e1b96c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6cee2c60bd168279852ac7dbe54c2b70d1028644"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f31dd158580940938f77514b87337a777520185a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header", "id": "2363458", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363458"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\ntipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header\nThis is a follow-up for commit 974cb0e3e7c9 (\"tipc: fix uninit-value\nin tipc_nl_compat_name_table_dump\") where it should have type casted\nsizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative\nvalue.\nsyzbot reported a call trace because of it:\nBUG: KMSAN: uninit-value in ...\ntipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934\n__tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238\ntipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321\ntipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324\ngenl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]\ngenl_family_rcv_msg net/netlink/genetlink.c:775 [inline]\ngenl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792\nnetlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501\ngenl_rcv+0x3c/0x50 net/netlink/genetlink.c:803\nnetlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\nnetlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345\nnetlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921\nsock_sendmsg_nosec net/socket.c:714 [inline]\nsock_sendmsg net/socket.c:734 [inline]"], "name": "CVE-2022-49862", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49862\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49862\nhttps://lore.kernel.org/linux-cve-announce/2025050147-CVE-2022-49862-04f2@gregkh/T"], "threat_severity": "Moderate"}