What’s Vulnerable › Vulnerabilities

CVE-2025-40017: media: iris: Fix memory leak by freeing untracked persist buffer

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-20 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: media: iris: Fix memory leak by freeing untracked persist buffer One internal buffer which is allocated only once per session was not being freed during session close because it was not being tracked as part of internal buffer list which resulted in a memory leak. Add the necessary logic to explicitly free the untracked internal buffer during session close to ensure all allocated memory is released properly.

Affected products

• Linux kernel: 6.15 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/02a24f13b3a1d9da9f3de56aa5fdb7cc1fe167a2
• https://git.kernel.org/stable/c/c9e024e907cafafd6b094f69a0d0f5d18fd28876
• https://git.kernel.org/stable/c/ec2f87ad035e8d1ad67567542842f1f23a4dbde2

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