CVE-2022-49862 (GCVE-0-2022-49862)
Vulnerability from cvelistv5
Published
2025-05-01 14:10
Modified
2025-10-01 16:11
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header This is a follow-up for commit 974cb0e3e7c9 ("tipc: fix uninit-value in tipc_nl_compat_name_table_dump") where it should have type casted sizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative value. syzbot reported a call trace because of it: BUG: KMSAN: uninit-value in ... 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]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/082707d3df191bf5bb8801d43e4ce3dea39ca173Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c075b192fe41030457cd4a5f7dea730412bca40Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/301caa06091af4d5cf056ac8249cbda4e6029c6aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/36769b9477491a7af6635863bd950309c1e1b96cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6cee2c60bd168279852ac7dbe54c2b70d1028644Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f31dd158580940938f77514b87337a777520185aPatch
Impacted products
Vendor Product Version
Linux Linux Version: 4c559fb7e111077b56f62ccf833a52d8169cde19
Version: 2aae1723dea1235ffef183daf0694805297424f6
Version: 2d5fc1d492d194aa2986c5a9d8a48a60e9143a72
Version: 974cb0e3e7c963ced06c4e32c5b2884173fa5e01
Version: 974cb0e3e7c963ced06c4e32c5b2884173fa5e01
Version: 974cb0e3e7c963ced06c4e32c5b2884173fa5e01
Version: 974cb0e3e7c963ced06c4e32c5b2884173fa5e01
Version: 974cb0e3e7c963ced06c4e32c5b2884173fa5e01
Version: c25352f9ad5dffb4de95069e67891e2aa2e99e50
Version: 5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65
 Create a notification for this product.
   Linux Linux Version: 5.0
 Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix the msg-\u003ereq 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]"
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          "url": "https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949a"
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          "url": "https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7"
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      "title": "tipc: fix the msg-\u003ereq tlv len check in tipc_nl_compat_name_table_dump_header",
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    "cveId": "CVE-2022-49862",
    "datePublished": "2025-05-01T14:10:15.742Z",
    "dateReserved": "2025-05-01T14:05:17.236Z",
    "dateUpdated": "2025-10-01T16:11:44.347Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49862\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:11.097\",\"lastModified\":\"2025-10-01T17:15:35.690\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntipc: fix the msg-\u003ereq 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-\u0026gt;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] 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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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\": {\"id\": \"CVE-2022-49862\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T16:11:41.836355Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-908\", \"description\": \"CWE-908 Use of Uninitialized Resource\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T14:35:08.426Z\"}}], \"cna\": {\"title\": \"tipc: fix the msg-\u003ereq tlv len check in tipc_nl_compat_name_table_dump_header\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4c559fb7e111077b56f62ccf833a52d8169cde19\", \"lessThan\": \"082707d3df191bf5bb8801d43e4ce3dea39ca173\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2aae1723dea1235ffef183daf0694805297424f6\", \"lessThan\": \"a0ead1d648df9c456baec832b494513ef405949a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2d5fc1d492d194aa2986c5a9d8a48a60e9143a72\", \"lessThan\": \"55a253a6753a603e80b95932ca971ba514aa6ce7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"974cb0e3e7c963ced06c4e32c5b2884173fa5e01\", \"lessThan\": \"36769b9477491a7af6635863bd950309c1e1b96c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"974cb0e3e7c963ced06c4e32c5b2884173fa5e01\", \"lessThan\": \"f31dd158580940938f77514b87337a777520185a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"974cb0e3e7c963ced06c4e32c5b2884173fa5e01\", \"lessThan\": \"301caa06091af4d5cf056ac8249cbda4e6029c6a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"974cb0e3e7c963ced06c4e32c5b2884173fa5e01\", \"lessThan\": \"6cee2c60bd168279852ac7dbe54c2b70d1028644\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"974cb0e3e7c963ced06c4e32c5b2884173fa5e01\", \"lessThan\": \"1c075b192fe41030457cd4a5f7dea730412bca40\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c25352f9ad5dffb4de95069e67891e2aa2e99e50\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5486e8d46560ca2b4d86cbd7d3a66d9913b2ac65\", \"versionType\": 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\"unaffected\", \"version\": \"5.15.79\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/tipc/netlink_compat.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntipc: fix the msg-\u003ereq 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]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.334\", \"versionStartIncluding\": \"4.9.152\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.300\", \"versionStartIncluding\": \"4.14.95\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.267\", \"versionStartIncluding\": \"4.19.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.225\", \"versionStartIncluding\": \"5.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.155\", \"versionStartIncluding\": \"5.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.79\", \"versionStartIncluding\": \"5.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.9\", \"versionStartIncluding\": \"5.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1\", \"versionStartIncluding\": \"5.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.4.172\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.20.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T12:45:17.323Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49862\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T16:11:44.347Z\", \"dateReserved\": \"2025-05-01T14:05:17.236Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-05-01T14:10:15.742Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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