{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53550",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-04T15:14:15.922Z",
        "datePublished": "2025-10-04T15:16:57.061Z",
        "dateUpdated": "2026-05-11T19:47:08.498Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:47:08.498Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: amd-pstate: fix global sysfs attribute type\n\nIn commit 3666062b87ec (\"cpufreq: amd-pstate: move to use bus_get_dev_root()\")\nthe \"amd_pstate\" attributes where moved from a dedicated kobject to the\ncpu root kobject.\n\nWhile the dedicated kobject expects to contain kobj_attributes the root\nkobject needs device_attributes.\n\nAs the changed arguments are not used by the callbacks it works most of\nthe time.\nHowever CFI will detect this issue:\n\n[ 4947.849350] CFI failure at dev_attr_show+0x24/0x60 (target: show_status+0x0/0x70; expected type: 0x8651b1de)\n...\n[ 4947.849409] Call Trace:\n[ 4947.849410]  <TASK>\n[ 4947.849411]  ? __warn+0xcf/0x1c0\n[ 4947.849414]  ? dev_attr_show+0x24/0x60\n[ 4947.849415]  ? report_cfi_failure+0x4e/0x60\n[ 4947.849417]  ? handle_cfi_failure+0x14c/0x1d0\n[ 4947.849419]  ? __cfi_show_status+0x10/0x10\n[ 4947.849420]  ? handle_bug+0x4f/0x90\n[ 4947.849421]  ? exc_invalid_op+0x1a/0x60\n[ 4947.849422]  ? asm_exc_invalid_op+0x1a/0x20\n[ 4947.849424]  ? __cfi_show_status+0x10/0x10\n[ 4947.849425]  ? dev_attr_show+0x24/0x60\n[ 4947.849426]  sysfs_kf_seq_show+0xa6/0x110\n[ 4947.849433]  seq_read_iter+0x16c/0x4b0\n[ 4947.849436]  vfs_read+0x272/0x2d0\n[ 4947.849438]  ksys_read+0x72/0xe0\n[ 4947.849439]  do_syscall_64+0x76/0xb0\n[ 4947.849440]  ? do_user_addr_fault+0x252/0x650\n[ 4947.849442]  ? exc_page_fault+0x7a/0x1b0\n[ 4947.849443]  entry_SYSCALL_64_after_hwframe+0x72/0xdc"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/cpufreq/amd-pstate.c"
                    ],
                    "versions": [
                        {
                            "version": "3666062b87ec8be4b85dc475dfb54bb17e10a7f6",
                            "lessThan": "ddcfc33a20380508f7fea18e1c330abe17ed4fc0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3666062b87ec8be4b85dc475dfb54bb17e10a7f6",
                            "lessThan": "5e720f8c8c9d959283c3908bbf32a91a01a86547",
                            "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/cpufreq/amd-pstate.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.11",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "6.4",
                                    "versionEndExcluding": "6.4.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ddcfc33a20380508f7fea18e1c330abe17ed4fc0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e720f8c8c9d959283c3908bbf32a91a01a86547"
                }
            ],
            "title": "cpufreq: amd-pstate: fix global sysfs attribute type",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}