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linux — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2023-53646

In the Linux kernel, the following vulnerability has been resolved: drm/i915/perf: add sentinel to xehp_oa_b_counters Arrays passed to reg_in_range_table should end with empty record. The patch solves KASAN detected bug with signature: BUG: KASAN: global-out-of-bounds in xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] Read of size 4 at addr ffffffffa1555d90 by task perf/1518 CPU: 4 PID: 1518 Comm: perf Tainted: G U 6.4.0-kasan_438-g3303d06107f3+ #1 Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023 Call Trace: ... xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] (cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)

Products
linux
Affected versions
Not specified
Fixed versions
6.4.11-1
CVEs
CVE-2023-53646
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 16:03 UTC · Revision 1

Source evidence

DEBIAN-CVE-2023-53646

core-osv · Original source

Published 7 Oct 2025, 16:15 UTC

In the Linux kernel, the following vulnerability has been resolved: drm/i915/perf: add sentinel to xehp_oa_b_counters Arrays passed to reg_in_range_table should end with empty record. The patch solves KASAN detected bug with signature: BUG: KASAN: global-out-of-bounds in xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] Read of size 4 at addr ffffffffa1555d90 by task perf/1518 CPU: 4 PID: 1518 Comm: perf Tainted: G U 6.4.0-kasan_438-g3303d06107f3+ #1 Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023 Call Trace: ... xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] (cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)

osv:DEBIAN-CVE-2023-53646

linux

Fixed versions: 6.4.11-1

linux

Fixed versions: 6.4.11-1

Complete source record
{
  "id": "68e35ee650867b3ee01b43e35075a6575166d9feeec4b99044470d5c026e0b9d",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-53646",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2023-53646",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/i915/perf: add sentinel to xehp_oa_b_counters Arrays passed to reg_in_range_table should end with empty record. The patch solves KASAN detected bug with signature: BUG: KASAN: global-out-of-bounds in xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] Read of size 4 at addr ffffffffa1555d90 by task perf/1518 CPU: 4 PID: 1518 Comm: perf Tainted: G U 6.4.0-kasan_438-g3303d06107f3+ #1 Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023 Call Trace: ... xehp_is_valid_b_counter_addr+0x2c7/0x350 [i915] (cherry picked from commit 2f42c5afb34b5696cf5fe79e744f99be9b218798)",
    "evidence": "osv:DEBIAN-CVE-2023-53646",
    "products": [
      {
        "name": {
          "value": "linux",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.4.11-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.4.11-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2023-53646",
      "aliases": [
        "DEBIAN-CVE-2023-53646"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.4.11-1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux",
            "purl": "pkg:deb/debian/linux?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53646.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.4.11-1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux",
            "purl": "pkg:deb/debian/linux?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53646.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T18:02:39.660814780Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-53646"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2023-53646"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-53646",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 456524,
  "published_at": "2025-10-07T16:15:48.017+00:00"
}