Vulnerability-Lookup

GHSA-249R-GG7W-PR3P

Vulnerability from github – Published: 2025-09-15 15:31 – Updated: 2025-12-02 21:31

Details

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

drm/amd/display: Fix possible underflow for displays with large vblank

[Why] Underflow observed when using a display with a large vblank region and low refresh rate

[How] Simplify calculation of vblank_nom

Increase value for VBlankNomDefaultUS to 800us

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-2023-53258"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:53Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix possible underflow for displays with large vblank\n\n[Why]\nUnderflow observed when using a display with a large vblank region\nand low refresh rate\n\n[How]\nSimplify calculation of vblank_nom\n\nIncrease value for VBlankNomDefaultUS to 800us",
  "id": "GHSA-249r-gg7w-pr3p",
  "modified": "2025-12-02T21:31:25Z",
  "published": "2025-09-15T15:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53258"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22"
    }
  ],
  "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-2023-53258 (GCVE-0-2023-53258)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:46 – Updated: 2026-05-11 19:41

Title

drm/amd/display: Fix possible underflow for displays with large vblank

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix possible underflow for displays with large vblank [Why] Underflow observed when using a display with a large vblank region and low refresh rate [How] Simplify calculation of vblank_nom Increase value for VBlankNomDefaultUS to 800us

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-14 18:02 UTC

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/d5741133e6e2f304b…
https://git.kernel.org/stable/c/64bc8e10c87adf60b…
https://git.kernel.org/stable/c/1a4bcdbea4319efeb…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < d5741133e6e2f304b40ca1da0e16f62af06f4d22 (git) Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < 64bc8e10c87adf60b2d32aacf3afb288e51d5a62 (git) Affected: 4c3861f587400db00801810eb8034c7b480e21dd , < 1a4bcdbea4319efeb26cc4b05be859a7867e02dc (git)
Linux	Linux	Affected: 6.0 Unaffected: 0 , < 6.0 (semver) Unaffected: 6.1.43 , ≤ 6.1.* (semver) Unaffected: 6.4.8 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-53258",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T18:02:19.520880Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
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                "cweId": "CWE-191",
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                "lang": "en",
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              }
            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T18:02:53.117Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
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    ],
    "cna": {
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          "defaultStatus": "unaffected",
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          "programFiles": [
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          ],
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            },
            {
              "lessThan": "1a4bcdbea4319efeb26cc4b05be859a7867e02dc",
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              "version": "4c3861f587400db00801810eb8034c7b480e21dd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
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              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.43",
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            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.8",
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                },
                {
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:41:18.641Z",
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        {
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    "cveId": "CVE-2023-53258",
    "datePublished": "2025-09-15T14:46:29.867Z",
    "dateReserved": "2025-09-15T14:19:21.850Z",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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