{"id":"CVE-2023-52888","revision":null,"records":[{"revision":"c6dc2d4bdd88467cb6764ee221517a6b","observedAt":"2026-10-30T13:45:33.454+00:00","statement":{"source":"cve-program","id":"CVE-2023-52888","aliases":[],"title":"media: mediatek: vcodec: Only free buffer VA that is not NULL","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mediatek: vcodec: Only free buffer VA that is not NULL\n\nIn the MediaTek vcodec driver, while mtk_vcodec_mem_free() is mostly\ncalled only when the buffer to free exists, there are some instances\nthat didn't do the check and triggered warnings in practice.\n\nWe believe those checks were forgotten unintentionally. Add the checks\nback to fix the warnings.","state":0,"publishedAt":"2024-07-30T07:45:54.812+00:00","modifiedAt":"2026-10-30T12:17:25.114+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c\",\n                        \"drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"590577a4e5257ac3ed72999a94666ad6ba8f24bc\",\n                            \"lessThan\": \"56d27b9fca840c68f67706e3cc5f2000c17bce39\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"590577a4e5257ac3ed72999a94666ad6ba8f24bc\",\n                            \"lessThan\": \"5c217253c76c94f76d1df31d0bbdcb88dc07be91\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"590577a4e5257ac3ed72999a94666ad6ba8f24bc\",\n                            \"lessThan\": \"303d01082edaf817ee2df53a40dca9da637a2c04\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"590577a4e5257ac3ed72999a94666ad6ba8f24bc\",\n                            \"lessThan\": \"eb005c801ec70ff4307727bd3bd6e8280169ef32\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c\",\n                        \"drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.191\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.39\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.9.9\",\n                            \"lessThanOrEqual\": \"6.9.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.10\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/56d27b9fca840c68f67706e3cc5f2000c17bce39","https://git.kernel.org/stable/c/5c217253c76c94f76d1df31d0bbdcb88dc07be91","https://git.kernel.org/stable/c/303d01082edaf817ee2df53a40dca9da637a2c04","https://git.kernel.org/stable/c/eb005c801ec70ff4307727bd3bd6e8280169ef32"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-52888","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-52888","identifiers":["CVE-2023-52888"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-06T23:27:16.6639299+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-06T23:27:16.6639299+00:00","lastSuccessAt":"2026-11-06T23:27:16.8857572+00:00","error":null,"lastVerifiedAt":"2026-11-06T23:27:16.8857582+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-e3f76855f3f449c8c0427e4ebd06d00838fa519af10fe158fc0ca4a62af0718a-340a45d9017d4f9de046b855ad9d1afbc5c699f0e6a7003981ff3a54ebedd5b3","complete":true,"records":420470,"lastAttemptAt":"2026-11-06T23:27:16.132734+00:00","lastSuccessAt":"2026-11-06T23:27:15.9170833+00:00","error":null,"lastVerifiedAt":"2026-11-06T23:27:16.132734+00:00","snapshotPublishedAt":"2026-11-06T23:24:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d5642b79a2ae4ddba3d9992d8d57acd8","complete":true,"records":13623,"lastAttemptAt":"2026-11-06T23:29:11.0866492+00:00","lastSuccessAt":"2026-11-06T23:29:11.082+00:00","error":null,"lastVerifiedAt":"2026-11-06T23:29:11.082+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13685,"expectedIdentifiers":13685,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-06T23:27:16.6639299+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-06T23:27:16.6639299+00:00","lastSuccessAt":"2026-11-06T23:27:20.1048264+00:00","error":null,"lastVerifiedAt":"2026-11-06T23:27:20.1048275+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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