{
  "threat_severity" : "Important",
  "public_date" : "2026-06-09T09:23:18Z",
  "bugzilla" : {
    "description" : "kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources",
    "id" : "2486958",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2486958"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-266",
  "details" : [ "Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.", "A flaw was found in the Linux kernel on ARM processors. A race condition in Translation Lookaside Buffer Invalidation (TLBI) operations during memory permission changes allows a local attacker to write to memory resources owned by higher privilege levels. This could allow an unprivileged local attacker to gain kernel privileges or a guest VM to escape to the hypervisor, resulting in complete system compromise." ],
  "statement" : "This is an Important flaw in the Linux kernel on ARM processors, allowing a local unprivileged attacker to achieve privilege escalation to kernel level or a guest virtual machine to escape to the hypervisor. The vulnerability stems from a race condition during Translation Lookaside Buffer Invalidation (TLBI) operations when memory permissions are altered, enabling writes to higher exception level resources.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-07-02T00:00:00Z",
    "advisory" : "RHSA-2026:34911",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "kernel-0:6.12.0-211.30.1.el10_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-08-17T00:00:00Z",
    "advisory" : "RHSA-2026:55445",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "kernel-0:6.12.0-55.98.1.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-07-07T00:00:00Z",
    "advisory" : "RHSA-2026:36348",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.140.1.rt7.481.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-07-07T00:00:00Z",
    "advisory" : "RHSA-2026:36349",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.140.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2026-07-28T00:00:00Z",
    "advisory" : "RHSA-2026:47248",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "kernel-0:4.18.0-305.200.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-07-28T00:00:00Z",
    "advisory" : "RHSA-2026:47248",
    "cpe" : "cpe:/o:redhat:rhel_eus_long_life:8.4",
    "package" : "kernel-0:4.18.0-305.200.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2026-07-31T00:00:00Z",
    "advisory" : "RHSA-2026:49033",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.6",
    "package" : "kernel-0:4.18.0-372.204.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-07-31T00:00:00Z",
    "advisory" : "RHSA-2026:49033",
    "cpe" : "cpe:/o:redhat:rhel_eus_long_life:8.6",
    "package" : "kernel-0:4.18.0-372.204.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2026-08-10T00:00:00Z",
    "advisory" : "RHSA-2026:52649",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.8",
    "package" : "kernel-0:4.18.0-477.158.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2026-08-10T00:00:00Z",
    "advisory" : "RHSA-2026:52649",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.8",
    "package" : "kernel-0:4.18.0-477.158.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-07-06T00:00:00Z",
    "advisory" : "RHSA-2026:36018",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-687.22.1.el9_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-07-06T00:00:00Z",
    "advisory" : "RHSA-2026:36018",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-687.22.1.el9_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-08-07T00:00:00Z",
    "advisory" : "RHSA-2026:51603",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "kernel-0:5.14.0-284.186.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-08-07T00:00:00Z",
    "advisory" : "RHSA-2026:51604",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.186.1.rt14.471.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
    "release_date" : "2026-08-07T00:00:00Z",
    "advisory" : "RHSA-2026:51746",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.4",
    "package" : "kernel-0:5.14.0-427.143.1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-07-31T00:00:00Z",
    "advisory" : "RHSA-2026:49031",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "kernel-0:5.14.0-570.131.1.el9_6"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2026-08-20T00:00:00Z",
    "advisory" : "RHSA-2026:54205",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "rhcos-412.86.202608080425-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.13",
    "release_date" : "2026-08-20T00:00:00Z",
    "advisory" : "RHSA-2026:54187",
    "cpe" : "cpe:/a:redhat:openshift:4.13::el9",
    "package" : "rhcos-413.92.202608111330-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.14",
    "release_date" : "2026-08-31T00:00:00Z",
    "advisory" : "RHSA-2026:56786",
    "cpe" : "cpe:/a:redhat:openshift:4.14::el9",
    "package" : "rhcos-414.92.202608172040-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.15",
    "release_date" : "2026-08-31T00:00:00Z",
    "advisory" : "RHSA-2026:56911",
    "cpe" : "cpe:/a:redhat:openshift:4.15::el9",
    "package" : "rhcos-415.92.202608180329-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.16",
    "release_date" : "2026-08-31T00:00:00Z",
    "advisory" : "RHSA-2026:56853",
    "cpe" : "cpe:/a:redhat:openshift:4.16::el9",
    "package" : "rhcos-416.94.202608150307-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.17",
    "release_date" : "2026-09-03T00:00:00Z",
    "advisory" : "RHSA-2026:60019",
    "cpe" : "cpe:/a:redhat:openshift:4.17::el9",
    "package" : "rhcos-417.94.202608250221-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.18",
    "release_date" : "2026-08-19T00:00:00Z",
    "advisory" : "RHSA-2026:54544",
    "cpe" : "cpe:/a:redhat:openshift:4.18::el9",
    "package" : "rhcos-418.94.202608111829-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.19",
    "release_date" : "2026-08-19T00:00:00Z",
    "advisory" : "RHSA-2026:54553",
    "cpe" : "cpe:/a:redhat:openshift:4.19::el9",
    "package" : "rhcos-4.19.9.6.202608120446-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.20",
    "release_date" : "2026-08-18T00:00:00Z",
    "advisory" : "RHSA-2026:54581",
    "cpe" : "cpe:/a:redhat:openshift:4.20::el9",
    "package" : "rhcos-4.20.9.6.202608121719-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.21",
    "release_date" : "2026-08-18T00:00:00Z",
    "advisory" : "RHSA-2026:54599",
    "cpe" : "cpe:/a:redhat:openshift:4.21::el9",
    "package" : "rhcos-4.21.9.6.202608122143-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.22",
    "release_date" : "2026-07-21T00:00:00Z",
    "advisory" : "RHSA-2026:40764",
    "cpe" : "cpe:/a:redhat:openshift:4.22::el9",
    "package" : "rhcos-4.22.9.8.202607152026-0"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "libkrun",
    "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 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux for NVIDIA 26",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/a:redhat:enterprise_linux_nvidia:"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift/ose-rhel-coreos-9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2025-10263\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-10263\nhttps://developer.arm.com/documentation/112137" ],
  "name" : "CVE-2025-10263",
  "csaw" : false
}