Vulnerability-Lookup

GHSA-M48W-FR7P-R6P2

Vulnerability from github – Published: 2025-10-04 18:31 – Updated: 2026-02-12 18:30

Details

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: amd-pstate: fix global sysfs attribute type

In commit 3666062b87ec ("cpufreq: amd-pstate: move to use bus_get_dev_root()") the "amd_pstate" attributes where moved from a dedicated kobject to the cpu root kobject.

While the dedicated kobject expects to contain kobj_attributes the root kobject needs device_attributes.

As the changed arguments are not used by the callbacks it works most of the time. However CFI will detect this issue:

[ 4947.849350] CFI failure at dev_attr_show+0x24/0x60 (target: show_status+0x0/0x70; expected type: 0x8651b1de) ... [ 4947.849409] Call Trace: [ 4947.849410] [ 4947.849411] ? __warn+0xcf/0x1c0 [ 4947.849414] ? dev_attr_show+0x24/0x60 [ 4947.849415] ? report_cfi_failure+0x4e/0x60 [ 4947.849417] ? handle_cfi_failure+0x14c/0x1d0 [ 4947.849419] ? __cfi_show_status+0x10/0x10 [ 4947.849420] ? handle_bug+0x4f/0x90 [ 4947.849421] ? exc_invalid_op+0x1a/0x60 [ 4947.849422] ? asm_exc_invalid_op+0x1a/0x20 [ 4947.849424] ? __cfi_show_status+0x10/0x10 [ 4947.849425] ? dev_attr_show+0x24/0x60 [ 4947.849426] sysfs_kf_seq_show+0xa6/0x110 [ 4947.849433] seq_read_iter+0x16c/0x4b0 [ 4947.849436] vfs_read+0x272/0x2d0 [ 4947.849438] ksys_read+0x72/0xe0 [ 4947.849439] do_syscall_64+0x76/0xb0 [ 4947.849440] ? do_user_addr_fault+0x252/0x650 [ 4947.849442] ? exc_page_fault+0x7a/0x1b0 [ 4947.849443] entry_SYSCALL_64_after_hwframe+0x72/0xdc

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53550"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T16:15:50Z",
    "severity": "MODERATE"
  },
  "details": "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]  \u003cTASK\u003e\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",
  "id": "GHSA-m48w-fr7p-r6p2",
  "modified": "2026-02-12T18:30:18Z",
  "published": "2025-10-04T18:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53550"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e720f8c8c9d959283c3908bbf32a91a01a86547"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ddcfc33a20380508f7fea18e1c330abe17ed4fc0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-53550 (GCVE-0-2023-53550)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:16 – Updated: 2026-05-11 19:47

Title

cpufreq: amd-pstate: fix global sysfs attribute type

Summary

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix global sysfs attribute type In commit 3666062b87ec ("cpufreq: amd-pstate: move to use bus_get_dev_root()") the "amd_pstate" attributes where moved from a dedicated kobject to the cpu root kobject. While the dedicated kobject expects to contain kobj_attributes the root kobject needs device_attributes. As the changed arguments are not used by the callbacks it works most of the time. However CFI will detect this issue: [ 4947.849350] CFI failure at dev_attr_show+0x24/0x60 (target: show_status+0x0/0x70; expected type: 0x8651b1de) ... [ 4947.849409] Call Trace: [ 4947.849410] <TASK> [ 4947.849411] ? __warn+0xcf/0x1c0 [ 4947.849414] ? dev_attr_show+0x24/0x60 [ 4947.849415] ? report_cfi_failure+0x4e/0x60 [ 4947.849417] ? handle_cfi_failure+0x14c/0x1d0 [ 4947.849419] ? __cfi_show_status+0x10/0x10 [ 4947.849420] ? handle_bug+0x4f/0x90 [ 4947.849421] ? exc_invalid_op+0x1a/0x60 [ 4947.849422] ? asm_exc_invalid_op+0x1a/0x20 [ 4947.849424] ? __cfi_show_status+0x10/0x10 [ 4947.849425] ? dev_attr_show+0x24/0x60 [ 4947.849426] sysfs_kf_seq_show+0xa6/0x110 [ 4947.849433] seq_read_iter+0x16c/0x4b0 [ 4947.849436] vfs_read+0x272/0x2d0 [ 4947.849438] ksys_read+0x72/0xe0 [ 4947.849439] do_syscall_64+0x76/0xb0 [ 4947.849440] ? do_user_addr_fault+0x252/0x650 [ 4947.849442] ? exc_page_fault+0x7a/0x1b0 [ 4947.849443] entry_SYSCALL_64_after_hwframe+0x72/0xdc

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6637 records in the last 180 days details

References

2 references

URL	Tags
https://git.kernel.org/stable/c/ddcfc33a20380508f…
https://git.kernel.org/stable/c/5e720f8c8c9d95928…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 3666062b87ec8be4b85dc475dfb54bb17e10a7f6 , < ddcfc33a20380508f7fea18e1c330abe17ed4fc0 (git) Affected: 3666062b87ec8be4b85dc475dfb54bb17e10a7f6 , < 5e720f8c8c9d959283c3908bbf32a91a01a86547 (git)
Linux	Linux	Affected: 6.4 Unaffected: 0 , < 6.4 (semver) Unaffected: 6.4.11 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/cpufreq/amd-pstate.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ddcfc33a20380508f7fea18e1c330abe17ed4fc0",
              "status": "affected",
              "version": "3666062b87ec8be4b85dc475dfb54bb17e10a7f6",
              "versionType": "git"
            },
            {
              "lessThan": "5e720f8c8c9d959283c3908bbf32a91a01a86547",
              "status": "affected",
              "version": "3666062b87ec8be4b85dc475dfb54bb17e10a7f6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/cpufreq/amd-pstate.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "lessThan": "6.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.11",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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]  \u003cTASK\u003e\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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:47:08.498Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53550",
    "datePublished": "2025-10-04T15:16:57.061Z",
    "dateReserved": "2025-10-04T15:14:15.922Z",
    "dateUpdated": "2026-05-11T19:47:08.498Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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