{
  "threat_severity" : "Low",
  "public_date" : "2025-09-15T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: coresight: Fix memory leak in acpi_buffer->pointer",
    "id" : "2395302",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2395302"
  },
  "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-772",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\ncoresight: Fix memory leak in acpi_buffer->pointer\nThere are memory leaks reported by kmemleak:\n...\nunreferenced object 0xffff00213c141000 (size 1024):\ncomm \"systemd-udevd\", pid 2123, jiffies 4294909467 (age 6062.160s)\nhex dump (first 32 bytes):\n04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff  ...........<!...\n00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00  ................\nbacktrace:\n[<000000004b7c9001>] __kmem_cache_alloc_node+0x2f8/0x348\n[<00000000b0fc7ceb>] __kmalloc+0x58/0x108\n[<0000000064ff4695>] acpi_os_allocate+0x2c/0x68\n[<000000007d57d116>] acpi_ut_initialize_buffer+0x54/0xe0\n[<0000000024583908>] acpi_evaluate_object+0x388/0x438\n[<0000000017b2e72b>] acpi_evaluate_object_typed+0xe8/0x240\n[<000000005df0eac2>] coresight_get_platform_data+0x1b4/0x988 [coresight]\n...\nThe ACPI buffer memory (buf.pointer) should be freed. But the buffer\nis also used after returning from acpi_get_dsd_graph().\nMove the temporary variables buf to acpi_coresight_parse_graph(),\nand free it before the function return to prevent memory leak." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  } ],
  "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" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "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-2023-53261\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53261\nhttps://lore.kernel.org/linux-cve-announce/2025091504-CVE-2023-53261-6a1a@gregkh/T" ],
  "name" : "CVE-2023-53261",
  "csaw" : false
}