Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-98437

Vulnerability details

The vulnerability allows a local user to cause runtime power-management reference leaks that may prevent power domains from suspending and increase power consumption.

The vulnerability exists due to missing releases of runtime power-management references in the Qualcomm Iris driver's iris_enable_power_domains() and iris_disable_power_domains() functions when power-domain operations fail. A local user can trigger these error paths to leave runtime power-management usage counts unbalanced, potentially keeping power domains active unnecessarily.

Affected software

How to mitigate CVE-2026-98437

External References

• https://git.kernel.org/stable/c/7a52e76b63095e05d92f15f16f45421cab9789e1
• https://git.kernel.org/stable/c/f87d7eda07fca21efe4b96169ae59007db46e60e
• https://git.kernel.org/stable/c/fff1ae8d0c8c97668e4cbcc6e1fd2cc740013795

Related Security Bulletins

• Missing Release of Resource after Effective Lifetime in Linux kernel qcom iris driver