232 lines
12 KiB
JSON
232 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-48865",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-07-16T11:38:08.920Z",
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"datePublished": "2024-07-16T12:25:27.843Z",
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"dateUpdated": "2026-05-11T18:48:39.204Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T18:48:39.204Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix kernel panic when enabling bearer\n\nWhen enabling a bearer on a node, a kernel panic is observed:\n\n[ 4.498085] RIP: 0010:tipc_mon_prep+0x4e/0x130 [tipc]\n...\n[ 4.520030] Call Trace:\n[ 4.520689] <IRQ>\n[ 4.521236] tipc_link_build_proto_msg+0x375/0x750 [tipc]\n[ 4.522654] tipc_link_build_state_msg+0x48/0xc0 [tipc]\n[ 4.524034] __tipc_node_link_up+0xd7/0x290 [tipc]\n[ 4.525292] tipc_rcv+0x5da/0x730 [tipc]\n[ 4.526346] ? __netif_receive_skb_core+0xb7/0xfc0\n[ 4.527601] tipc_l2_rcv_msg+0x5e/0x90 [tipc]\n[ 4.528737] __netif_receive_skb_list_core+0x20b/0x260\n[ 4.530068] netif_receive_skb_list_internal+0x1bf/0x2e0\n[ 4.531450] ? dev_gro_receive+0x4c2/0x680\n[ 4.532512] napi_complete_done+0x6f/0x180\n[ 4.533570] virtnet_poll+0x29c/0x42e [virtio_net]\n...\n\nThe node in question is receiving activate messages in another\nthread after changing bearer status to allow message sending/\nreceiving in current thread:\n\n thread 1 | thread 2\n -------- | --------\n |\ntipc_enable_bearer() |\n test_and_set_bit_lock() |\n tipc_bearer_xmit_skb() |\n | tipc_l2_rcv_msg()\n | tipc_rcv()\n | __tipc_node_link_up()\n | tipc_link_build_state_msg()\n | tipc_link_build_proto_msg()\n | tipc_mon_prep()\n | {\n | ...\n | // null-pointer dereference\n | u16 gen = mon->dom_gen;\n | ...\n | }\n // Not being executed yet |\n tipc_mon_create() |\n { |\n ... |\n // allocate |\n mon = kzalloc(); |\n ... |\n } |\n\nMonitoring pointer in thread 2 is dereferenced before monitoring data\nis allocated in thread 1. This causes kernel panic.\n\nThis commit fixes it by allocating the monitoring data before enabling\nthe bearer to receive messages."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/tipc/bearer.c"
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],
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"versions": [
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{
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"version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
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"lessThan": "2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
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"lessThan": "f96dc3adb9a97b8f3dfdb88796483491a3006b71",
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"status": "affected",
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},
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{
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{
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"lessThan": "be4977b847f5d5cedb64d50eaaf2218c3a55a3a3",
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"status": "affected",
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/tipc/bearer.c"
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],
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"versions": [
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{
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"version": "4.8",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.8",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.106",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.29",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16.15",
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"lessThanOrEqual": "5.16.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.17",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.8",
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"versionEndExcluding": "5.10.106"
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},
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"vulnerable": true,
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"references": [
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"url": "https://git.kernel.org/stable/c/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5"
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"url": "https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71"
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"url": "https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94"
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"url": "https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3"
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}
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],
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"title": "tipc: fix kernel panic when enabling bearer",
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"dateUpdated": "2024-08-03T15:25:01.624Z"
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{
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"metrics": [
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-48865",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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{
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-09-10T16:25:18.991470Z"
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-11T17:34:06.982Z"
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} |