{
  "threat_severity" : "Low",
  "public_date" : "2025-02-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: bpf, sockmap: Fix memleak in sk_psock_queue_msg",
    "id" : "2347653",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2347653"
  },
  "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>" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-05-09T00:00:00Z",
    "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"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "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" ],
  "name" : "CVE-2022-49207",
  "csaw" : false
}