{
  "threat_severity" : "Low",
  "public_date" : "2024-04-03T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: KVM: s390: vsie: fix race during shadow creation",
    "id" : "2273080",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2273080"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.7",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-362",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nKVM: s390: vsie: fix race during shadow creation\nRight now it is possible to see gmap->private being zero in\nkvm_s390_vsie_gmap_notifier resulting in a crash.  This is due to the\nfact that we add gmap->private == kvm after creation:\nstatic int acquire_gmap_shadow(struct kvm_vcpu *vcpu,\nstruct vsie_page *vsie_page)\n{\n[...]\ngmap = gmap_shadow(vcpu->arch.gmap, asce, edat);\nif (IS_ERR(gmap))\nreturn PTR_ERR(gmap);\ngmap->private = vcpu->kvm;\nLet children inherit the private field of the parent." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4740",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kernel-0:4.18.0-477.64.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2024-08-13T00:00:00Z",
    "advisory" : "RHSA-2024:5257",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "kernel-0:5.14.0-70.112.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-06-12T00:00:00Z",
    "advisory" : "RHSA-2024:3855",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2",
    "package" : "kernel-0:5.14.0-284.69.1.el9_2"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-52639\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52639\nhttps://lore.kernel.org/linux-cve-announce/2024040335-CVE-2023-52639-5b67@gregkh/T" ],
  "name" : "CVE-2023-52639",
  "csaw" : false
}