{"api_version":"1","generated_at":"2026-08-01T23:24:44+00:00","cve":"CVE-2026-64358","urls":{"html":"https://cve.report/CVE-2026-64358","api":"https://cve.report/api/cve/CVE-2026-64358.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64358","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64358"},"summary":{"title":"media: mtk-jpeg: cancel workqueue on release for supported platforms only","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mtk-jpeg: cancel workqueue on release for supported platforms only\n\nSince a recent fix the mtk_jpeg_release function cancels any pending\nor running work present in the driver workqueue using\ncancel_work_sync function.\nCurrently, only the multicore based variants use this workqueue and they\nhave the jpeg_worker platform data field initialized with a workqueue\ncallback function. For the others, this field value remain NULL by\ndefault.\nThe cancel_work_sync function is unconditionally called in\nmtk_jpeg_release function, even for the variants that do not use the\nworkqueue. This call generates a WARN_ON print in __flush_work because\nthe workqueue callback function presence check fails in __flush_work\nfunction (used by cancel_work_sync).\n\nSo, to avoid these warnings, call cancel_work_sync only if a workqueue\ncallback is defined in platform data.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:18","updated_at":"2026-07-25 10:17:18"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9","name":"https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bf","name":"https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251","name":"https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662d","name":"https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235","name":"https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64358","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64358","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2209fdae5c2f615930c9af1379c1cfca199ec5d8 0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0498b27a1542021d90269d58347501d4c3ccd84e ac0774961a6ea174a71d4ffa39966edafbf7662d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 26506a30e0e26d612f82a7bf0e395626968a44e6 973408ceab14555a8548b97c8cc7b54208c3f251 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 34c519feef3e4fcff1078dc8bdb25fbbbd10303f 4c4b4af4a9f278da096f0dbdb6b59594701d29bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 34c519feef3e4fcff1078dc8bdb25fbbbd10303f b1845a227fda37b2fe5327df3ca0015d7e290235 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e78c39f720679fcf3a2eacd82725ec3ea2648301 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.140 6.6.145 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.86 6.12.96 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.27 6.18.39 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0.4 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.96 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.39 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64358","cve":"CVE-2026-64358","epss":"0.001680000","percentile":"0.064580000","score_date":"2026-07-28","updated_at":"2026-07-29 00:05:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9","status":"affected","version":"2209fdae5c2f615930c9af1379c1cfca199ec5d8","versionType":"git"},{"lessThan":"ac0774961a6ea174a71d4ffa39966edafbf7662d","status":"affected","version":"0498b27a1542021d90269d58347501d4c3ccd84e","versionType":"git"},{"lessThan":"973408ceab14555a8548b97c8cc7b54208c3f251","status":"affected","version":"26506a30e0e26d612f82a7bf0e395626968a44e6","versionType":"git"},{"lessThan":"4c4b4af4a9f278da096f0dbdb6b59594701d29bf","status":"affected","version":"34c519feef3e4fcff1078dc8bdb25fbbbd10303f","versionType":"git"},{"lessThan":"b1845a227fda37b2fe5327df3ca0015d7e290235","status":"affected","version":"34c519feef3e4fcff1078dc8bdb25fbbbd10303f","versionType":"git"},{"status":"affected","version":"e78c39f720679fcf3a2eacd82725ec3ea2648301","versionType":"git"},{"lessThan":"6.6.145","status":"affected","version":"6.6.140","versionType":"semver"},{"lessThan":"6.12.96","status":"affected","version":"6.12.86","versionType":"semver"},{"lessThan":"6.18.39","status":"affected","version":"6.18.27","versionType":"semver"},{"lessThan":"7.1","status":"affected","version":"7.0.4","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"6.6.140","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.96","versionStartIncluding":"6.12.86","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"6.18.27","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mtk-jpeg: cancel workqueue on release for supported platforms only\n\nSince a recent fix the mtk_jpeg_release function cancels any pending\nor running work present in the driver workqueue using\ncancel_work_sync function.\nCurrently, only the multicore based variants use this workqueue and they\nhave the jpeg_worker platform data field initialized with a workqueue\ncallback function. For the others, this field value remain NULL by\ndefault.\nThe cancel_work_sync function is unconditionally called in\nmtk_jpeg_release function, even for the variants that do not use the\nworkqueue. This call generates a WARN_ON print in __flush_work because\nthe workqueue callback function presence check fails in __flush_work\nfunction (used by cancel_work_sync).\n\nSo, to avoid these warnings, call cancel_work_sync only if a workqueue\ncallback is defined in platform data."}],"providerMetadata":{"dateUpdated":"2026-07-25T08:50:15.303Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9"},{"url":"https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662d"},{"url":"https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251"},{"url":"https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bf"},{"url":"https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235"}],"title":"media: mtk-jpeg: cancel workqueue on release for supported platforms only","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64358","datePublished":"2026-07-25T08:50:15.303Z","dateReserved":"2026-07-19T15:36:31.782Z","dateUpdated":"2026-07-25T08:50:15.303Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:18","lastModifiedDate":"2026-07-25 10:17:18","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64358","Ordinal":"1","Title":"media: mtk-jpeg: cancel workqueue on release for supported platf","CVE":"CVE-2026-64358","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64358","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mtk-jpeg: cancel workqueue on release for supported platforms only\n\nSince a recent fix the mtk_jpeg_release function cancels any pending\nor running work present in the driver workqueue using\ncancel_work_sync function.\nCurrently, only the multicore based variants use this workqueue and they\nhave the jpeg_worker platform data field initialized with a workqueue\ncallback function. For the others, this field value remain NULL by\ndefault.\nThe cancel_work_sync function is unconditionally called in\nmtk_jpeg_release function, even for the variants that do not use the\nworkqueue. This call generates a WARN_ON print in __flush_work because\nthe workqueue callback function presence check fails in __flush_work\nfunction (used by cancel_work_sync).\n\nSo, to avoid these warnings, call cancel_work_sync only if a workqueue\ncallback is defined in platform data.","Type":"Description","Title":"media: mtk-jpeg: cancel workqueue on release for supported platf"}]}}}