232 lines
10 KiB
JSON
232 lines
10 KiB
JSON
{
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"cveId": "CVE-2021-47046",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-02-27T18:42:55.970Z",
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"datePublished": "2024-02-28T08:13:50.320Z",
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"dateUpdated": "2026-05-11T13:47:01.480Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix off by one in hdmi_14_process_transaction()\n\nThe hdcp_i2c_offsets[] array did not have an entry for\nHDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE so it led to an off by one\nread overflow. I added an entry and copied the 0x0 value for the offset\nfrom similar code in drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c.\n\nI also declared several of these arrays as having HDCP_MESSAGE_ID_MAX\nentries. This doesn't change the code, but it's just a belt and\nsuspenders approach to try future proof the code."
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}
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"drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c"
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"drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c"
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],
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"versions": [
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{
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"version": "5.5",
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"status": "affected"
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},
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"version": "0",
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"status": "unaffected",
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},
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{
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"version": "5.10.37",
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"lessThanOrEqual": "5.10.*",
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},
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{
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"version": "5.11.21",
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"status": "unaffected",
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},
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{
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"version": "5.12.4",
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"lessThanOrEqual": "5.12.*",
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"status": "unaffected",
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},
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{
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"version": "5.13",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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}
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}
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"title": "drm/amd/display: Fix off by one in hdmi_14_process_transaction()",
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