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CVE-2026-97513: media: chips-media: wave5: Release m2m_ctx after Instance Removed from List

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Release m2m_ctx after Instance Removed from List Possible use after free if IRQ thread manages to obtain spinlock between m2m_ctx release and wave5_release function removing stream instance from list of active instances. The IRQ thread looks for the m2m_ctx which is freed so null pointer dereference occurs.

Affected products

• Linux kernel: 6.8 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/04cda0b5c4ca3f61cbc86e41ead3c462c8cfd659
• https://git.kernel.org/stable/c/0e6bdd437a3c7a5d8846d7f58fe9645a60ec0933
• https://git.kernel.org/stable/c/7cdbd7bb21949a8fda10c7104a2b12ee363cbf5c

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