{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48865","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-16T11:38:08.920Z","datePublished":"2024-07-16T12:25:27.843Z","dateUpdated":"2025-05-04T08:25:05.214Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:25:05.214Z"},"descriptions":[{"lang":"en","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] \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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/tipc/bearer.c"],"versions":[{"version":"35c55c9877f8de0ab129fa1a309271d0ecc868b9","lessThan":"2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5","status":"affected","versionType":"git"},{"version":"35c55c9877f8de0ab129fa1a309271d0ecc868b9","lessThan":"f96dc3adb9a97b8f3dfdb88796483491a3006b71","status":"affected","versionType":"git"},{"version":"35c55c9877f8de0ab129fa1a309271d0ecc868b9","lessThan":"f4f59fdbc748805b08c13dae14c01f0518c77c94","status":"affected","versionType":"git"},{"version":"35c55c9877f8de0ab129fa1a309271d0ecc868b9","lessThan":"be4977b847f5d5cedb64d50eaaf2218c3a55a3a3","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/bearer.c"],"versions":[{"version":"4.8","status":"affected"},{"version":"0","lessThan":"4.8","status":"unaffected","versionType":"semver"},{"version":"5.10.106","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.29","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.15","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17","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":"4.8","versionEndExcluding":"5.10.106"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.29"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.16.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5"},{"url":"https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71"},{"url":"https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94"},{"url":"https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3"}],"title":"tipc: fix kernel panic when enabling bearer","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:25:01.624Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48865","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:25:18.991470Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:34:06.982Z"}}]}}