{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-23T15:23:02.760Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:23:02.760Z" }, "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" }, { "version": "4.9.152", "lessThan": "4.9.334", "status": "affected", "versionType": "semver" }, { "version": "4.14.95", "lessThan": "4.14.300", "status": "affected", "versionType": "semver" }, { "version": "4.19.17", "lessThan": "4.19.267", "status": "affected", "versionType": "semver" }, { "version": "4.4.172", "lessThan": "4.5", "status": "affected", "versionType": "semver" }, { "version": "4.20.4", "lessThan": "4.21", "status": "affected", "versionType": "semver" } ] }, { "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" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-908", "lang": "en", "description": "CWE-908 Use of Uninitialized Resource" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-10-01T16:11:41.836355Z", "id": "CVE-2022-49862", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T16:11:44.347Z" } } ] } }