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CVE-2026-43355: iio: light: bh1780: fix PM runtime leak on error path

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-08 · updated 2026-07-04
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: iio: light: bh1780: fix PM runtime leak on error path Move pm_runtime_put_autosuspend() before the error check to ensure the PM runtime reference count is always decremented after pm_runtime_get_sync(), regardless of whether the read operation succeeds or fails.

Affected products

• Linux kernel: from 4.7 before 5.10.253; from 5.11 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.18.19; from 6.19 before 6.19.9; 7.0-rc1, 7.0-rc2, 7.0-rc3 — fixed in 5.10.253, 6.1.167, 6.18.19, 6.19.9, 6.6.130

How to fix

Upgrade to a fixed version: Linux kernel 5.10.253, 6.1.167, 6.18.19, 6.19.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1eb3af4f59e09323788860a9155e9766b12891e5
• https://git.kernel.org/stable/c/33661bfc85c14836bfef4425a74b0ca2df4bb5ad
• https://git.kernel.org/stable/c/4228f7f053b452be625919ccbb605912bae0dc98
• https://git.kernel.org/stable/c/424bf90e87134effe4bd932608a15286493b11ab
• https://git.kernel.org/stable/c/aae572ddc28578af476cce7da3faec0395ef0bf0
• https://git.kernel.org/stable/c/ad58fa1cb11e4ceb702786a494352c7ff2eca1ed
• https://git.kernel.org/stable/c/dd72e6c3cdea05cad24e99710939086f7a113fb5
• https://git.kernel.org/stable/c/fc77e0a5600e620a2ae51ec78933162fb217b20b

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