{
  "threat_severity" : "Moderate",
  "public_date" : "2025-05-01T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()",
    "id" : "2363378",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2363378"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-401",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nmisc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()\n`struct vmci_event_qp` allocated by qp_notify_peer() contains padding,\nwhich may carry uninitialized data to the userspace, as observed by\nKMSAN:\nBUG: KMSAN: kernel-infoleak in instrument_copy_to_user ./include/linux/instrumented.h:121\ninstrument_copy_to_user ./include/linux/instrumented.h:121\n_copy_to_user+0x5f/0xb0 lib/usercopy.c:33\ncopy_to_user ./include/linux/uaccess.h:169\nvmci_host_do_receive_datagram drivers/misc/vmw_vmci/vmci_host.c:431\nvmci_host_unlocked_ioctl+0x33d/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:925\nvfs_ioctl fs/ioctl.c:51\n...\nUninit was stored to memory at:\nkmemdup+0x74/0xb0 mm/util.c:131\ndg_dispatch_as_host drivers/misc/vmw_vmci/vmci_datagram.c:271\nvmci_datagram_dispatch+0x4f8/0xfc0 drivers/misc/vmw_vmci/vmci_datagram.c:339\nqp_notify_peer+0x19a/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1479\nqp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662\nqp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750\nvmci_qp_broker_alloc+0x96/0xd0 drivers/misc/vmw_vmci/vmci_queue_pair.c:1940\nvmci_host_do_alloc_queuepair drivers/misc/vmw_vmci/vmci_host.c:488\nvmci_host_unlocked_ioctl+0x24fd/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:927\n...\nLocal variable ev created at:\nqp_notify_peer+0x54/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1456\nqp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662\nqp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750\nBytes 28-31 of 48 are uninitialized\nMemory access of size 48 starts at ffff888035155e00\nData copied to user address 0000000020000100\nUse memset() to prevent the infoleaks.\nAlso speculatively fix qp_notify_peer_local(), which may suffer from the\nsame problem." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2025-08-27T00:00:00Z",
    "advisory" : "RHSA-2025:14746",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt_els:7",
    "package" : "kernel-rt-0:3.10.0-1160.137.1.rt56.1289.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2025-08-27T00:00:00Z",
    "advisory" : "RHSA-2025:14748",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "kernel-0:3.10.0-1160.137.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2025-07-16T00:00:00Z",
    "advisory" : "RHSA-2025:11299",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.62.1.rt7.403.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2025-07-16T00:00:00Z",
    "advisory" : "RHSA-2025:11298",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.62.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2025-08-20T00:00:00Z",
    "advisory" : "RHSA-2025:14136",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "kernel-0:4.18.0-193.164.1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2025-08-06T00:00:00Z",
    "advisory" : "RHSA-2025:13120",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "kernel-0:4.18.0-305.166.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2025-08-06T00:00:00Z",
    "advisory" : "RHSA-2025:13120",
    "cpe" : "cpe:/o:redhat:rhel_eus_long_life:8.4",
    "package" : "kernel-0:4.18.0-305.166.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2025-08-13T00:00:00Z",
    "advisory" : "RHSA-2025:13776",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.6",
    "package" : "kernel-0:4.18.0-372.157.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2025-08-13T00:00:00Z",
    "advisory" : "RHSA-2025:13776",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.6",
    "package" : "kernel-0:4.18.0-372.157.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2025-08-13T00:00:00Z",
    "advisory" : "RHSA-2025:13776",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.6",
    "package" : "kernel-0:4.18.0-372.157.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2025-08-05T00:00:00Z",
    "advisory" : "RHSA-2025:13061",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.8",
    "package" : "kernel-0:4.18.0-477.104.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2025-08-05T00:00:00Z",
    "advisory" : "RHSA-2025:13061",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.8",
    "package" : "kernel-0:4.18.0-477.104.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-08-04T00:00:00Z",
    "advisory" : "RHSA-2025:12746",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.32.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-08-04T00:00:00Z",
    "advisory" : "RHSA-2025:12746",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.32.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2025-08-05T00:00:00Z",
    "advisory" : "RHSA-2025:13030",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "kernel-0:5.14.0-70.141.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2025-08-05T00:00:00Z",
    "advisory" : "RHSA-2025:13029",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0::nfv",
    "package" : "kernel-rt-0:5.14.0-70.141.1.rt21.213.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2025-08-13T00:00:00Z",
    "advisory" : "RHSA-2025:13781",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "kernel-0:5.14.0-284.130.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2025-08-11T00:00:00Z",
    "advisory" : "RHSA-2025:13633",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.130.1.rt14.415.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2025-08-06T00:00:00Z",
    "advisory" : "RHSA-2025:13135",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "kernel-0:5.14.0-427.81.1.el9_4"
  } ],
  "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 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-49788\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49788\nhttps://lore.kernel.org/linux-cve-announce/2025050121-CVE-2022-49788-6e84@gregkh/T" ],
  "name" : "CVE-2022-49788",
  "csaw" : false
}