{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49207", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.291Z", "datePublished": "2025-02-26T01:55:46.177Z", "dateUpdated": "2025-02-26T01:55:46.177Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T01:55:46.177Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix memleak in sk_psock_queue_msg\n\nIf tcp_bpf_sendmsg is running during a tear down operation we may enqueue\ndata on the ingress msg queue while tear down is trying to free it.\n\n sk1 (redirect sk2) sk2\n ------------------- ---------------\ntcp_bpf_sendmsg()\n tcp_bpf_send_verdict()\n tcp_bpf_sendmsg_redir()\n bpf_tcp_ingress()\n sock_map_close()\n lock_sock()\n lock_sock() ... blocking\n sk_psock_stop\n sk_psock_clear_state(psock, SK_PSOCK_TX_ENABLED);\n release_sock(sk);\n lock_sock()\n sk_mem_charge()\n get_page()\n sk_psock_queue_msg()\n sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED);\n drop_sk_msg()\n release_sock()\n\nWhile drop_sk_msg(), the msg has charged memory form sk by sk_mem_charge\nand has sg pages need to put. To fix we use sk_msg_free() and then kfee()\nmsg.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9202 at net/core/stream.c:205 sk_stream_kill_queues+0xc8/0xe0\nCall Trace:\n <IRQ>\n inet_csk_destroy_sock+0x55/0x110\n tcp_rcv_state_process+0xe5f/0xe90\n ? sk_filter_trim_cap+0x10d/0x230\n ? tcp_v4_do_rcv+0x161/0x250\n tcp_v4_do_rcv+0x161/0x250\n tcp_v4_rcv+0xc3a/0xce0\n ip_protocol_deliver_rcu+0x3d/0x230\n ip_local_deliver_finish+0x54/0x60\n ip_local_deliver+0xfd/0x110\n ? ip_protocol_deliver_rcu+0x230/0x230\n ip_rcv+0xd6/0x100\n ? ip_local_deliver+0x110/0x110\n __netif_receive_skb_one_core+0x85/0xa0\n process_backlog+0xa4/0x160\n __napi_poll+0x29/0x1b0\n net_rx_action+0x287/0x300\n __do_softirq+0xff/0x2fc\n do_softirq+0x79/0x90\n </IRQ>\n\nWARNING: CPU: 0 PID: 531 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x175/0x1b0\nCall Trace:\n <TASK>\n __sk_destruct+0x24/0x1f0\n sk_psock_destroy+0x19b/0x1c0\n process_one_work+0x1b3/0x3c0\n ? process_one_work+0x3c0/0x3c0\n worker_thread+0x30/0x350\n ? process_one_work+0x3c0/0x3c0\n kthread+0xe6/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/skmsg.h"], "versions": [{"version": "9635720b7c88592214562cb72605bdab6708006c", "lessThan": "ef9785f429794567792561a584901faa9291d3ee", "status": "affected", "versionType": "git"}, {"version": "9635720b7c88592214562cb72605bdab6708006c", "lessThan": "4dd2e947d3be13a4de3b3028859b9a6497266bcf", "status": "affected", "versionType": "git"}, {"version": "9635720b7c88592214562cb72605bdab6708006c", "lessThan": "03948ed6553960db62f1c33bec29e64d7c191a3f", "status": "affected", "versionType": "git"}, {"version": "9635720b7c88592214562cb72605bdab6708006c", "lessThan": "938d3480b92fa5e454b7734294f12a7b75126f09", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/skmsg.h"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ef9785f429794567792561a584901faa9291d3ee"}, {"url": "https://git.kernel.org/stable/c/4dd2e947d3be13a4de3b3028859b9a6497266bcf"}, {"url": "https://git.kernel.org/stable/c/03948ed6553960db62f1c33bec29e64d7c191a3f"}, {"url": "https://git.kernel.org/stable/c/938d3480b92fa5e454b7734294f12a7b75126f09"}], "title": "bpf, sockmap: Fix memleak in sk_psock_queue_msg", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB1C7FD1-C89E-4955-B265-456A9F757302", "versionEndExcluding": "5.15.33", "versionStartIncluding": "5.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20C43679-0439-405A-B97F-685BEE50613B", "versionEndExcluding": "5.16.19", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix memleak in sk_psock_queue_msg\n\nIf tcp_bpf_sendmsg is running during a tear down operation we may enqueue\ndata on the ingress msg queue while tear down is trying to free it.\n\n sk1 (redirect sk2) sk2\n ------------------- ---------------\ntcp_bpf_sendmsg()\n tcp_bpf_send_verdict()\n tcp_bpf_sendmsg_redir()\n bpf_tcp_ingress()\n sock_map_close()\n lock_sock()\n lock_sock() ... blocking\n sk_psock_stop\n sk_psock_clear_state(psock, SK_PSOCK_TX_ENABLED);\n release_sock(sk);\n lock_sock()\n sk_mem_charge()\n get_page()\n sk_psock_queue_msg()\n sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED);\n drop_sk_msg()\n release_sock()\n\nWhile drop_sk_msg(), the msg has charged memory form sk by sk_mem_charge\nand has sg pages need to put. To fix we use sk_msg_free() and then kfee()\nmsg.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9202 at net/core/stream.c:205 sk_stream_kill_queues+0xc8/0xe0\nCall Trace:\n <IRQ>\n inet_csk_destroy_sock+0x55/0x110\n tcp_rcv_state_process+0xe5f/0xe90\n ? sk_filter_trim_cap+0x10d/0x230\n ? tcp_v4_do_rcv+0x161/0x250\n tcp_v4_do_rcv+0x161/0x250\n tcp_v4_rcv+0xc3a/0xce0\n ip_protocol_deliver_rcu+0x3d/0x230\n ip_local_deliver_finish+0x54/0x60\n ip_local_deliver+0xfd/0x110\n ? ip_protocol_deliver_rcu+0x230/0x230\n ip_rcv+0xd6/0x100\n ? ip_local_deliver+0x110/0x110\n __netif_receive_skb_one_core+0x85/0xa0\n process_backlog+0xa4/0x160\n __napi_poll+0x29/0x1b0\n net_rx_action+0x287/0x300\n __do_softirq+0xff/0x2fc\n do_softirq+0x79/0x90\n </IRQ>\n\nWARNING: CPU: 0 PID: 531 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x175/0x1b0\nCall Trace:\n <TASK>\n __sk_destruct+0x24/0x1f0\n sk_psock_destroy+0x19b/0x1c0\n process_one_work+0x1b3/0x3c0\n ? process_one_work+0x3c0/0x3c0\n worker_thread+0x30/0x350\n ? process_one_work+0x3c0/0x3c0\n kthread+0xe6/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf, sockmap: Corregir p\u00e9rdida de memoria en sk_psock_queue_msg Si tcp_bpf_sendmsg se est\u00e1 ejecutando durante una operaci\u00f3n de desmontaje, podemos poner en cola datos en la cola de mensajes de entrada mientras el desmontaje intenta liberarlos. sk1 (redireccionar sk2) sk2 ------------------- --------------- tcp_bpf_sendmsg() tcp_bpf_send_verdict() tcp_bpf_sendmsg_redir() bpf_tcp_ingress() sock_map_close() lock_sock() lock_sock() ... bloqueando sk_psock_stop sk_psock_clear_state(psock, SK_PSOCK_TX_ENABLED); release_sock(sk); lock_sock() sk_mem_charge() get_page() sk_psock_queue_msg() sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED); drop_sk_msg() release_sock() Mientras se usa drop_sk_msg(), el mensaje ha cargado la memoria del formulario sk mediante sk_mem_charge y tiene p\u00e1ginas sg que se deben colocar. Para solucionarlo, usamos sk_msg_free() y luego kfee() msg. Este problema puede causar la siguiente informaci\u00f3n: ADVERTENCIA: CPU: 0 PID: 9202 en net/core/stream.c:205 sk_stream_kill_queues+0xc8/0xe0 Rastreo de llamadas: inet_csk_destroy_sock+0x55/0x110 tcp_rcv_state_process+0xe5f/0xe90 ? sk_filter_trim_cap+0x10d/0x230 ? tcp_v4_do_rcv+0x161/0x250 tcp_v4_do_rcv+0x161/0x250 tcp_v4_rcv+0xc3a/0xce0 ip_protocol_deliver_rcu+0x3d/0x230 ip_local_deliver_finish+0x54/0x60 ip_local_deliver+0xfd/0x110 ? ip_protocol_deliver_rcu+0x230/0x230 ip_rcv+0xd6/0x100 ? ip_local_deliver+0x110/0x110 __netif_receive_skb_one_core+0x85/0xa0 process_backlog+0xa4/0x160 __napi_poll+0x29/0x1b0 net_rx_action+0x287/0x300 __do_softirq+0xff/0x2fc do_softirq+0x79/0x90 WARNING: CPU: 0 PID: 531 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x175/0x1b0 Call Trace: __sk_destruct+0x24/0x1f0 sk_psock_destroy+0x19b/0x1c0 process_one_work+0x1b3/0x3c0 ? process_one_work+0x3c0/0x3c0 worker_thread+0x30/0x350 ? process_one_work+0x3c0/0x3c0 kthread+0xe6/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 "}], "id": "CVE-2022-49207", "lastModified": "2025-03-18T20:11:31.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:00:57.817", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03948ed6553960db62f1c33bec29e64d7c191a3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4dd2e947d3be13a4de3b3028859b9a6497266bcf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/938d3480b92fa5e454b7734294f12a7b75126f09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ef9785f429794567792561a584901faa9291d3ee"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "kernel: bpf, sockmap: Fix memleak in sk_psock_queue_msg", "id": "2347653", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347653"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf, sockmap: Fix memleak in sk_psock_queue_msg\nIf tcp_bpf_sendmsg is running during a tear down operation we may enqueue\ndata on the ingress msg queue while tear down is trying to free it.\nsk1 (redirect sk2) sk2\n------------------- ---------------\ntcp_bpf_sendmsg()\ntcp_bpf_send_verdict()\ntcp_bpf_sendmsg_redir()\nbpf_tcp_ingress()\nsock_map_close()\nlock_sock()\nlock_sock() ... blocking\nsk_psock_stop\nsk_psock_clear_state(psock, SK_PSOCK_TX_ENABLED);\nrelease_sock(sk);\nlock_sock()\nsk_mem_charge()\nget_page()\nsk_psock_queue_msg()\nsk_psock_test_state(psock, SK_PSOCK_TX_ENABLED);\ndrop_sk_msg()\nrelease_sock()\nWhile drop_sk_msg(), the msg has charged memory form sk by sk_mem_charge\nand has sg pages need to put. To fix we use sk_msg_free() and then kfee()\nmsg.\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9202 at net/core/stream.c:205 sk_stream_kill_queues+0xc8/0xe0\nCall Trace:\n<IRQ>\ninet_csk_destroy_sock+0x55/0x110\ntcp_rcv_state_process+0xe5f/0xe90\n? sk_filter_trim_cap+0x10d/0x230\n? tcp_v4_do_rcv+0x161/0x250\ntcp_v4_do_rcv+0x161/0x250\ntcp_v4_rcv+0xc3a/0xce0\nip_protocol_deliver_rcu+0x3d/0x230\nip_local_deliver_finish+0x54/0x60\nip_local_deliver+0xfd/0x110\n? ip_protocol_deliver_rcu+0x230/0x230\nip_rcv+0xd6/0x100\n? ip_local_deliver+0x110/0x110\n__netif_receive_skb_one_core+0x85/0xa0\nprocess_backlog+0xa4/0x160\n__napi_poll+0x29/0x1b0\nnet_rx_action+0x287/0x300\n__do_softirq+0xff/0x2fc\ndo_softirq+0x79/0x90\n</IRQ>\nWARNING: CPU: 0 PID: 531 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x175/0x1b0\nCall Trace:\n<TASK>\n__sk_destruct+0x24/0x1f0\nsk_psock_destroy+0x19b/0x1c0\nprocess_one_work+0x1b3/0x3c0\n? process_one_work+0x3c0/0x3c0\nworker_thread+0x30/0x350\n? process_one_work+0x3c0/0x3c0\nkthread+0xe6/0x110\n? kthread_complete_and_exit+0x20/0x20\nret_from_fork+0x22/0x30\n</TASK>"], "name": "CVE-2022-49207", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49207\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49207\nhttps://lore.kernel.org/linux-cve-announce/2025022619-CVE-2022-49207-cfc1@gregkh/T"], "threat_severity": "Low"}