Vulnerability-Lookup

GHSA-G63X-CH35-X5P5

Vulnerability from github – Published: 2024-03-26 18:32 – Updated: 2024-11-07 00:30

Details

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

drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()

In edp_setup_replay(), 'struct dc dc' & 'struct dmub_replay replay' was dereferenced before the pointer 'link' & 'replay' NULL check.

Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)

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-2024-26648"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-26T18:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), \u0027struct dc *dc\u0027 \u0026 \u0027struct dmub_replay *replay\u0027\nwas dereferenced before the pointer \u0027link\u0027 \u0026 \u0027replay\u0027 NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check \u0027link\u0027 (see line 933)",
  "id": "GHSA-g63x-ch35-x5p5",
  "modified": "2024-11-07T00:30:35Z",
  "published": "2024-03-26T18:32:07Z",
  "references": [
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26648"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935"
    },
    {
      "type": "WEB",
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}

CVE-2024-26648 (GCVE-0-2024-26648)

Vulnerability from cvelistv5 – Published: 2024-03-26 17:50 – Updated: 2026-05-11 20:01

Title

drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay() In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)

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 2024-06-26 19:53 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/22ae604aea1475695…
https://git.kernel.org/stable/c/c02d257c654191ecd…
https://git.kernel.org/stable/c/7073934f5d73f8b53…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < 22ae604aea14756954e1c00ae653e34d2afd2935 (git) Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < c02d257c654191ecda1dc1af6875d527e85310e7 (git) Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < 7073934f5d73f8b53308963cee36f0d389ea857c (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.15 , ≤ 6.6.* (semver) Unaffected: 6.7.3 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix)

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JSON

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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.

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