{"api_version":"1","generated_at":"2026-10-29T10:59:35+00:00","cve":"CVE-2023-54284","urls":{"html":"https://cve.report/CVE-2023-54284","api":"https://cve.report/api/cve/CVE-2023-54284.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54284","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54284"},"summary":{"title":"media: av7110: prevent underflow in write_ts_to_decoder()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: av7110: prevent underflow in write_ts_to_decoder()\n\nThe buf[4] value comes from the user via ts_play().  It is a value in\nthe u8 range.  The final length we pass to av7110_ipack_instant_repack()\nis \"len - (buf[4] + 1) - 4\" so add a check to ensure that the length is\nnot negative.  It's not clear that passing a negative len value does\nanything bad necessarily, but it's not best practice.\n\nWith the new bounds checking the \"if (!len)\" condition is no longer\npossible or required so remove that.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-30 13:16:17","updated_at":"2026-08-04 11:16:39"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/7b93ab60fe9ed04be0ff155bc30ad39dea23e22b","name":"https://git.kernel.org/stable/c/7b93ab60fe9ed04be0ff155bc30ad39dea23e22b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/620b983589e0223876bf1463b01100a9c67b56ba","name":"https://git.kernel.org/stable/c/620b983589e0223876bf1463b01100a9c67b56ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86ba65e5357bfbb6c082f68b265a292ee1bdde1d","name":"https://git.kernel.org/stable/c/86ba65e5357bfbb6c082f68b265a292ee1bdde1d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/77eeb4732135c18c2fdfab80839645b393f3e774","name":"https://git.kernel.org/stable/c/77eeb4732135c18c2fdfab80839645b393f3e774","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eed9496a0501357aa326ddd6b71408189ed872eb","name":"https://git.kernel.org/stable/c/eed9496a0501357aa326ddd6b71408189ed872eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6606e2404ee9e20a3ae5b42fc3660d41b739ed3e","name":"https://git.kernel.org/stable/c/6606e2404ee9e20a3ae5b42fc3660d41b739ed3e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6680af5be9f08d830567e9118f76d3e64684db8f","name":"https://git.kernel.org/stable/c/6680af5be9f08d830567e9118f76d3e64684db8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/423350af9e27f005611bd881b1df2cab66de943d","name":"https://git.kernel.org/stable/c/423350af9e27f005611bd881b1df2cab66de943d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ca4ce92e3ec9fd3c7c936b912b95c53331d5159c","name":"https://git.kernel.org/stable/c/ca4ce92e3ec9fd3c7c936b912b95c53331d5159c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-54284","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\nmedia: av7110: prevent underflow in write_ts_to_decoder()\n\nThe buf[4] value comes from the user via ts_play().  It is a value in\nthe u8 range.  The final length we pass to av7110_ipack_instant_repack()\nis \"len - (buf[4] + 1) - 4\" so add a check to ensure that the length is\nnot negative.  It's not clear that passing a negative len value does\nanything bad necessarily, but it's not best practice.\n\nWith the new bounds checking the \"if (!len)\" condition is no longer\npossible or required so remove that."}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:18:51.298Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6680af5be9f08d830567e9118f76d3e64684db8f"},{"url":"https://git.kernel.org/stable/c/6606e2404ee9e20a3ae5b42fc3660d41b739ed3e"},{"url":"https://git.kernel.org/stable/c/620b983589e0223876bf1463b01100a9c67b56ba"},{"url":"https://git.kernel.org/stable/c/86ba65e5357bfbb6c082f68b265a292ee1bdde1d"},{"url":"https://git.kernel.org/stable/c/ca4ce92e3ec9fd3c7c936b912b95c53331d5159c"},{"url":"https://git.kernel.org/stable/c/423350af9e27f005611bd881b1df2cab66de943d"},{"url":"https://git.kernel.org/stable/c/77eeb4732135c18c2fdfab80839645b393f3e774"},{"url":"https://git.kernel.org/stable/c/7b93ab60fe9ed04be0ff155bc30ad39dea23e22b"},{"url":"https://git.kernel.org/stable/c/eed9496a0501357aa326ddd6b71408189ed872eb"}],"title":"media: av7110: prevent underflow in write_ts_to_decoder()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54284","datePublished":"2025-12-30T12:23:25.116Z","dateReserved":"2025-12-30T12:06:44.525Z","dateUpdated":"2026-08-04T09:18:51.298Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-30 13:16:17","lastModifiedDate":"2026-08-04 11:16:39","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"54284","Ordinal":"1","Title":"media: av7110: prevent underflow in write_ts_to_decoder()","CVE":"CVE-2023-54284","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54284","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: av7110: prevent underflow in write_ts_to_decoder()\n\nThe buf[4] value comes from the user via ts_play().  It is a value in\nthe u8 range.  The final length we pass to av7110_ipack_instant_repack()\nis \"len - (buf[4] + 1) - 4\" so add a check to ensure that the length is\nnot negative.  It's not clear that passing a negative len value does\nanything bad necessarily, but it's not best practice.\n\nWith the new bounds checking the \"if (!len)\" condition is no longer\npossible or required so remove that.","Type":"Description","Title":"media: av7110: prevent underflow in write_ts_to_decoder()"}]}}}