CVE-2026-89939

Summary

In the Linux kernel, the following vulnerability has been resolved:

iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable

atlas_buffer_postenable() acquires a runtime PM reference with pm_runtime_resume_and_get() but returns the result of atlas_set_interrupt() directly. If atlas_set_interrupt() fails, the runtime PM reference is leaked and the device can never autosuspend.

Add pm_runtime_put_autosuspend() on the error path to balance the reference.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < c7e91ae6d7802170f53ece09a4ecc6302265d3e4affected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < a595f4d3e4ee1c91c62a298730a77b16dc26b426affected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < 72daa7eb7fc6202fece0bb56487d72af5c49ccdfaffected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86affected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < 43bce901047e95bbf8fb63eb471460642e497604affected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < 777e8ebfe6b3fa733694977f0f4cf849e07e925caffected
LinuxLinux0e4f336f50debeacd0f81e931e8451f2ae03f685 < bcd3f72e26314edfce7eaf8d7160b3119c7b7fedaffected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.15.221 <= 5.15.*unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.51 <= 6.18.*unaffected
LinuxLinux7.2.5 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References