CVE-2026-64503 is a vulnerability in Linux Kernel
Published on July 25, 2026
iio: accel: kxsd9: fix runtime PM imbalance on write_raw() error
In the Linux kernel, the following vulnerability has been resolved:
iio: accel: kxsd9: fix runtime PM imbalance on write_raw() error
kxsd9_write_raw() takes a runtime PM reference with pm_runtime_get_sync()
but returns -EINVAL directly when a scale with a non-zero integer part is
requested, skipping the matching pm_runtime_put_autosuspend(). This leaks
a runtime PM usage-counter reference on every such write, after which the
device can no longer autosuspend.
Set the error code and fall through to the existing put instead of
returning early.
Products Associated with CVE-2026-64503
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Affected Versions
Linux:- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below a93fd69c1ab0854ac4f5b8439c26dfadb25dfd20 is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below eeece4a85ece6f3837c75ef26a9b2bf5a1d0fcfc is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 191fcfeb729ededd8dd2a999c6bf351ddfa0cec7 is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 36154171385a8a2444a4b3c6eaa0c5294cb02478 is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 223703d6e8bed50b6a0b47e160877909518d94b9 is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 6293211d142605bec435229ef0aa3668b8964164 is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 13a91e8631cfeb68e5b7fd6687f194f5a86e83fe is affected.
- Version 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 and below 44a5fd874bb6873bdaec59f722c1d57832fbc9df is affected.
- Version 4.9 is affected.
- Before 4.9 is unaffected.
- Version 5.10.261, <= 5.10.* is unaffected.
- Version 5.15.212, <= 5.15.* is unaffected.
- Version 6.1.178, <= 6.1.* is unaffected.
- Version 6.6.145, <= 6.6.* 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.