Linux Kernel i2ctegra PM Runtime Leak on tegra_i2c_mutex_lock failure
CVE-2026-64171 Published on July 19, 2026
i2c: tegra: fix pm_runtime leak on mutex_lock failure
In the Linux kernel, the following vulnerability has been resolved:
i2c: tegra: fix pm_runtime leak on mutex_lock failure
If tegra_i2c_mutex_lock() fails, the function returns without calling
pm_runtime_put(), leaking the runtime PM reference acquired by the
preceding pm_runtime_get_sync(). This prevents the device from ever
entering runtime suspend.
Add the missing pm_runtime_put() before returning on lock failure.
Products Associated with CVE-2026-64171
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Affected Versions
Linux:- Version 6077cfd716fbd4d1f2a3702e49ae8bf65c072685 and below 8f7ed203b39004c02479a9156089d87d1ac2c1d8 is affected.
- Version 6077cfd716fbd4d1f2a3702e49ae8bf65c072685 and below 57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb is affected.
- Version 7.0 is affected.
- Before 7.0 is unaffected.
- Version 7.0.11, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.