{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47046", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.970Z", "datePublished": "2024-02-28T08:13:50.320Z", "dateUpdated": "2026-05-11T13:47:01.480Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:47:01.480Z" }, "descriptions": [ { "lang": "en", "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." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c" ], "versions": [ { "version": "4c283fdac08abf3211533f70623c90a34f41d08d", "lessThan": "403c4528e5887af3deb9838cb77a557631d1e138", "status": "affected", "versionType": "git" }, { "version": "4c283fdac08abf3211533f70623c90a34f41d08d", "lessThan": "6a58310d5d1e5b02d0fc9b393ba540c9367bced5", "status": "affected", "versionType": "git" }, { "version": "4c283fdac08abf3211533f70623c90a34f41d08d", "lessThan": "080bd41d6478a64edf96704fddcda52b1fd5fed7", "status": "affected", "versionType": "git" }, { "version": "4c283fdac08abf3211533f70623c90a34f41d08d", "lessThan": "8e6fafd5a22e7a2eb216f5510db7aab54cc545c1", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c" ], "versions": [ { "version": "5.5", "status": "affected" }, { "version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.37", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.4", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.37" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.11.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.12.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/403c4528e5887af3deb9838cb77a557631d1e138" }, { "url": "https://git.kernel.org/stable/c/6a58310d5d1e5b02d0fc9b393ba540c9367bced5" }, { "url": "https://git.kernel.org/stable/c/080bd41d6478a64edf96704fddcda52b1fd5fed7" }, { "url": "https://git.kernel.org/stable/c/8e6fafd5a22e7a2eb216f5510db7aab54cc545c1" } ], "title": "drm/amd/display: Fix off by one in hdmi_14_process_transaction()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47046", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-02-28T20:31:21.379702Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:14.997Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.795Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/403c4528e5887af3deb9838cb77a557631d1e138", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6a58310d5d1e5b02d0fc9b393ba540c9367bced5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/080bd41d6478a64edf96704fddcda52b1fd5fed7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/8e6fafd5a22e7a2eb216f5510db7aab54cc545c1", "tags": [ "x_transferred" ] } ] } ] } }