cve-2022-49862
Vulnerability from cvelistv5
Published
2025-05-01 14:10
Modified
2025-05-04 12:45
Severity ?
EPSS score ?
Summary
tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
References
{
"containers": {
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],
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],
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"vendor": "Linux",
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},
{
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"status": "unaffected",
"version": "0",
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},
{
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"status": "unaffected",
"version": "4.9.334",
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},
{
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"version": "4.14.300",
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},
{
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{
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{
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{
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{
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"version": "6.0.9",
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{
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"version": "6.1",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
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{
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{
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{
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{
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{
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{
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],
"negate": false,
"operator": "OR"
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}
],
"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]"
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T12:45:17.323Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"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-\u003ereq tlv len check in tipc_nl_compat_name_table_dump_header",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-49862",
"datePublished": "2025-05-01T14:10:15.742Z",
"dateReserved": "2025-05-01T14:05:17.236Z",
"dateUpdated": "2025-05-04T12:45:17.323Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-49862\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:11.097\",\"lastModified\":\"2025-05-02T13:52:51.693\",\"vulnStatus\":\"Undergoing Analysis\",\"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] \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/082707d3df191bf5bb8801d43e4ce3dea39ca173\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1c075b192fe41030457cd4a5f7dea730412bca40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/301caa06091af4d5cf056ac8249cbda4e6029c6a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/36769b9477491a7af6635863bd950309c1e1b96c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/55a253a6753a603e80b95932ca971ba514aa6ce7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6cee2c60bd168279852ac7dbe54c2b70d1028644\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a0ead1d648df9c456baec832b494513ef405949a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f31dd158580940938f77514b87337a777520185a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.