FKIE_CVE-2026-64358

Vulnerability from fkie_nvd - Published: 2026-07-25 10:17 - Updated: 2026-07-25 10:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: cancel workqueue on release for supported platforms only Since a recent fix the mtk_jpeg_release function cancels any pending or running work present in the driver workqueue using cancel_work_sync function. Currently, only the multicore based variants use this workqueue and they have the jpeg_worker platform data field initialized with a workqueue callback function. For the others, this field value remain NULL by default. The cancel_work_sync function is unconditionally called in mtk_jpeg_release function, even for the variants that do not use the workqueue. This call generates a WARN_ON print in __flush_work because the workqueue callback function presence check fails in __flush_work function (used by cancel_work_sync). So, to avoid these warnings, call cancel_work_sync only if a workqueue callback is defined in platform data.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2026-64358",
  "lastModified": "2026-07-25T10:17:18.253",
  "metrics": {},
  "published": "2026-07-25T10:17:18.253",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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