cve-2024-26647
Vulnerability from cvelistv5
Published
2024-03-26 17:50
Modified
2024-11-05 09:13
Severity ?
EPSS score ?
Summary
drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'
References
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"id": "CVE-2024-26647",
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"Automatable": "no"
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"timestamp": "2024-05-29T16:18:46.186544Z",
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"affected": [
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"product": "Linux",
"programFiles": [
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix late derefrence \u0027dsc\u0027 check in \u0027link_set_dsc_pps_packet()\u0027\n\nIn link_set_dsc_pps_packet(), \u0027struct display_stream_compressor *dsc\u0027\nwas dereferenced in a DC_LOGGER_INIT(dsc-\u003ectx-\u003elogger); before the \u0027dsc\u0027\nNULL pointer check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check \u0027dsc\u0027 (see line 903)"
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"url": "https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207"
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"title": "drm/amd/display: Fix late derefrence \u0027dsc\u0027 check in \u0027link_set_dsc_pps_packet()\u0027",
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"cveId": "CVE-2024-26647",
"datePublished": "2024-03-26T17:50:01.057Z",
"dateReserved": "2024-02-19T14:20:24.138Z",
"dateUpdated": "2024-11-05T09:13:10.476Z",
"state": "PUBLISHED"
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"nvd": "{\"cve\":{\"id\":\"CVE-2024-26647\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-26T18:15:10.063\",\"lastModified\":\"2024-03-27T12:29:41.530\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix late derefrence \u0027dsc\u0027 check in \u0027link_set_dsc_pps_packet()\u0027\\n\\nIn link_set_dsc_pps_packet(), \u0027struct display_stream_compressor *dsc\u0027\\nwas dereferenced in a DC_LOGGER_INIT(dsc-\u003ectx-\u003elogger); before the \u0027dsc\u0027\\nNULL pointer check.\\n\\nFixes the below:\\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check \u0027dsc\u0027 (see line 903)\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: se corrigi\u00f3 la verificaci\u00f3n de desrefrence tard\u00eda \u0027dsc\u0027 en \u0027link_set_dsc_pps_packet()\u0027. En link_set_dsc_pps_packet(), se elimin\u00f3 la referencia a \u0027struct display_stream_compressor *dsc\u0027 en un DC_LOGGER_INIT(dsc- \u0026gt;ctx-\u0026gt;registrador); antes de la verificaci\u00f3n del puntero NULL \u0027dsc\u0027. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() advertencia: variable desreferenciada antes de verificar \u0027dsc\u0027 (consulte la l\u00ednea 903)\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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