CVE-2026-64499 is a vulnerability in Linux Kernel
Published on July 25, 2026
iio: adc: ti-ads1119: fix PM reference leak in buffer preenable
In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ti-ads1119: fix PM reference leak in buffer preenable
ads1119_triggered_buffer_preenable() resumes the device with
pm_runtime_resume_and_get() before starting a conversion.
If i2c_smbus_write_byte() fails, the function returns the error directly
and leaves the runtime PM usage counter elevated. The matching
postdisable callback is not called when preenable fails, so the reference
is leaked and the device may remain runtime-active indefinitely.
Store the I2C transfer result in ret and drop the runtime PM reference on
failure before returning the error.
Products Associated with CVE-2026-64499
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Affected Versions
Linux:- Version a9306887eba41c5fe7232727a8147da3d3c4f83c and below f40292fb19399a3c3f82de698023ba87c01e66cf is affected.
- Version a9306887eba41c5fe7232727a8147da3d3c4f83c and below ffb2195921c3d629194b9807de589578df9f9cb8 is affected.
- Version a9306887eba41c5fe7232727a8147da3d3c4f83c and below 6537f08100189d12bec4975000244e6ac4873c28 is affected.
- Version a9306887eba41c5fe7232727a8147da3d3c4f83c and below adf4bc07f814da8329278d32600147f5a150938c is affected.
- Version 6.11 is affected.
- Before 6.11 is unaffected.
- Version 6.12.96, <= 6.12.* is unaffected.
- Version 6.18.39, <= 6.18.* is unaffected.
- Version 7.1.4, <= 7.1.* is unaffected.
- Version 7.2-rc3, <= * is unaffected.