CVE-2026-64358In 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…
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 6.6.140 before 6.6.145; from 6.12.86 before 6.12.96; from 6.18.27 before 6.18.39; from 7.0.4 before 7.1.4 | NVD |
References
- https://git.kernel.org/stable/c/0fed0fc34ce734b4b8c2f6a467d38bddcb21dda9patch
- https://git.kernel.org/stable/c/4c4b4af4a9f278da096f0dbdb6b59594701d29bfpatch
- https://git.kernel.org/stable/c/973408ceab14555a8548b97c8cc7b54208c3f251patch
- https://git.kernel.org/stable/c/ac0774961a6ea174a71d4ffa39966edafbf7662dpatch
- https://git.kernel.org/stable/c/b1845a227fda37b2fe5327df3ca0015d7e290235patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.