media: vivid: fix cleanup bugs in vivid_init()
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix cleanup bugs in vivid_init() When platform_device_register() fails in vivid_init(), the embedded struct device in vivid_pdev has already been initialized by device_initialize(), but the failure path jumps to free_output_strings without dropping the device reference for the current platform device: vivid_init() -> platform_device_register(&vivid_pdev) -> device_initialize(&vivid_pdev.dev) -> setup_pdev_dma_masks(&vivid_pdev) -> platform_device_add(&vivid_pdev) This leads to a reference leak when platform_device_register() fails. Fix this by calling platform_device_put() before jumping to the common cleanup path. Also, the unreg_driver label incorrectly calls platform_driver_register() instead of platform_driver_unregister(), which breaks cleanup when workqueue creation fails after successful driver registration. Fix that as well. The reference leak was identified by a static analysis tool I developed and confirmed by manual review. The incorrect cleanup call was found during code inspection.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.101, 6.18.42, 7.1.6, 7.2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-68203
- 2026-10-03 Alias added: GHSA-m883-8hm9-jvgx
- 2026-10-16 Affected versions changed · Red Hat
- 2026-10-21 Fix available: Linux/[email protected], Linux/Linux@ae6ccae32f51f788035d2c5cec898491dd7150ef · CNA
- 2026-10-21 1 new reference · CNA
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@6c7307c1b45da4fef6b445ca5c113457d86a7806 · CNA
- 2026-10-30 1 new reference · CNA
References
Other 6
- https://git.kernel.org/stable/c/6c7307c1b45da4fef6b445ca5c113457d86a7806
- https://git.kernel.org/stable/c/ae6ccae32f51f788035d2c5cec898491dd7150ef
- https://git.kernel.org/stable/c/4385092a86b94e1f332db35a3766108978c0722f
- https://git.kernel.org/stable/c/1349af7f87df57940619f5b87990b799dac9ed8a
- https://git.kernel.org/stable/c/6d51ad8f1c50c50d1abcc97fd243179967184c6a
- https://git.kernel.org/stable/c/a07c179a92e949172ca52f6d4a13202ea88cd4b7
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Sources
- CVE-2026-68203 · CVE Program
- CVE-2026-68203 · NVD
- FIRST EPSS
- GHSA-m883-8hm9-jvgx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-68203 · Red Hat security data · CC BY 4.0
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