{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T07:03:01.818Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:03:01.818Z"},"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"]}]}]}}