{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53261", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T14:19:21.850Z", "datePublished": "2025-09-15T14:46:33.065Z", "dateUpdated": "2025-09-15T14:46:33.065Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-15T14:46:33.065Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: Fix memory leak in acpi_buffer->pointer\n\nThere are memory leaks reported by kmemleak:\n...\nunreferenced object 0xffff00213c141000 (size 1024):\n comm \"systemd-udevd\", pid 2123, jiffies 4294909467 (age 6062.160s)\n hex dump (first 32 bytes):\n 04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff ...........<!...\n 00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00 ................\n backtrace:\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...\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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-platform.c"], "versions": [{"version": "76ffa5ab5b79c250b9744b7f8bdd835db426a1ae", "lessThan": "d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a", "status": "affected", "versionType": "git"}, {"version": "76ffa5ab5b79c250b9744b7f8bdd835db426a1ae", "lessThan": "1a9e02673e2550f5612099e64e8761f0c8fc0f50", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-platform.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a"}, {"url": "https://git.kernel.org/stable/c/1a9e02673e2550f5612099e64e8761f0c8fc0f50"}], "title": "coresight: Fix memory leak in acpi_buffer->pointer", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: Fix memory leak in acpi_buffer->pointer\n\nThere are memory leaks reported by kmemleak:\n...\nunreferenced object 0xffff00213c141000 (size 1024):\n comm \"systemd-udevd\", pid 2123, jiffies 4294909467 (age 6062.160s)\n hex dump (first 32 bytes):\n 04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff ...........<!...\n 00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00 ................\n backtrace:\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...\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."}], "id": "CVE-2023-53261", "lastModified": "2025-09-15T15:22:27.090", "metrics": {}, "published": "2025-09-15T15:15:53.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a9e02673e2550f5612099e64e8761f0c8fc0f50"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: coresight: Fix memory leak in acpi_buffer->pointer", "id": "2395302", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395302"}, "csaw": false, "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": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53261", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "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"], "threat_severity": "Low"}