fkie_cve-2024-26648
Vulnerability from fkie_nvd
Published
2024-03-26 18:15
Modified
2025-04-08 19:29
Severity ?
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)
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "142FB4DC-E1A5-4DD2-8150-C5741C441196",
"versionEndExcluding": "6.6.15",
"vulnerable": true
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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)"
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: se corrigi\u00f3 la diferenciaci\u00f3n de variables antes de la verificaci\u00f3n NULL en edp_setup_replay() En edp_setup_replay(), se elimin\u00f3 la referencia a \u0027struct dc *dc\u0027 y \u0027struct dmub_replay *replay\u0027 antes de la comprobaci\u00f3n NULL del puntero \u0027enlace\u0027 y \u0027repetici\u00f3n\u0027. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() advertencia: variable desreferenciada antes de marcar \u0027enlace\u0027 (ver l\u00ednea 933)"
}
],
"id": "CVE-2024-26648",
"lastModified": "2025-04-08T19:29:14.917",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
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"published": "2024-03-26T18:15:10.220",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-476"
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],
"source": "nvd@nist.gov",
"type": "Primary"
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]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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