CVE-2026-99049None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: fix runtime PM leak on request error path pm_runtime_get_sync() leaves the usage counter incremented even when it fails, and xgpio_request() returns the …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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In the Linux kernel, the following vulnerability has been resolved:
gpio: xilinx: fix runtime PM leak on request error path
pm_runtime_get_sync() leaves the usage counter incremented even when it fails, and xgpio_request() returns the error without dropping it.
gpiolib does not call ->free() when ->request() fails, so xgpio_free(), which holds the only matching pm_runtime_put(), never runs. The reference is leaked and the controller can no longer runtime-suspend, so its clock stays enabled.
Switch to pm_runtime_resume_and_get(), which only increments the usage counter on success.
Linux >= 26b04774621ed333e8bc56479feb6e31625df58c < b07b3925f676640103b3d74b93fc401b1c873d13Linux >= 26b04774621ed333e8bc56479feb6e31625df58c < f73ee2bd2293f8cc340061c5229395ace71fc2ebLinux >= 26b04774621ed333e8bc56479feb6e31625df58c < a027e0d7765d1531ee39e4dae81951b04f32ba7bLinux >= 26b04774621ed333e8bc56479feb6e31625df58c < 2fd6ecda5d1f47cffcfadddb35ee49402162c724Linux >= 26b04774621ed333e8bc56479feb6e31625df58c < ff82fc3a4a1d417dee1229681cc5285986edb1faLinux 5.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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