{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64358", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.782Z", "datePublished": "2026-07-25T08:50:15.303Z", "dateUpdated": "2026-07-25T08:50:15.303Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:15.303Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"], "versions": [{"version": "2209fdae5c2f615930c9af1379c1cfca199ec5d8", "lessThan": "0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9", "status": "affected", "versionType": "git"}, {"version": "0498b27a1542021d90269d58347501d4c3ccd84e", "lessThan": "ac0774961a6ea174a71d4ffa39966edafbf7662d", "status": "affected", "versionType": "git"}, {"version": "26506a30e0e26d612f82a7bf0e395626968a44e6", "lessThan": "973408ceab14555a8548b97c8cc7b54208c3f251", "status": "affected", "versionType": "git"}, {"version": "34c519feef3e4fcff1078dc8bdb25fbbbd10303f", "lessThan": "4c4b4af4a9f278da096f0dbdb6b59594701d29bf", "status": "affected", "versionType": "git"}, {"version": "34c519feef3e4fcff1078dc8bdb25fbbbd10303f", "lessThan": "b1845a227fda37b2fe5327df3ca0015d7e290235", "status": "affected", "versionType": "git"}, {"version": "e78c39f720679fcf3a2eacd82725ec3ea2648301", "status": "affected", "versionType": "git"}, {"version": "6.6.140", "lessThan": "6.6.145", "status": "affected", "versionType": "semver"}, {"version": "6.12.86", "lessThan": "6.12.96", "status": "affected", "versionType": "semver"}, {"version": "6.18.27", "lessThan": "6.18.39", "status": "affected", "versionType": "semver"}, {"version": "7.0.4", "lessThan": "7.1", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"], "versions": [{"version": "7.1", "status": "affected"}, {"version": "0", "lessThan": "7.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "6.6.140", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.86", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.27", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.2-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.4"}]}]}], "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"}}}}

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