CVE-2020-36782

Summary

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

i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails

The PM reference count is not expected to be incremented on return in lpi2c_imx_master_enable.

However, pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here.

Replace it with pm_runtime_resume_and_get to keep usage counter balanced.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux13d6eb20fc79a1e606307256dad4098375539a09 < 815859cb1d2302e74f11bf6894bceace9ca9eb4aaffected
LinuxLinux13d6eb20fc79a1e606307256dad4098375539a09 < cc49d206414240483bb93ffa3d80243e6a776916affected
LinuxLinux13d6eb20fc79a1e606307256dad4098375539a09 < bb300acc867e937edc2a6898e92b21f88e4e4e66affected
LinuxLinux13d6eb20fc79a1e606307256dad4098375539a09 < b100650d80cd2292f6c152f5f2943b5944b3e8ceaffected
LinuxLinux13d6eb20fc79a1e606307256dad4098375539a09 < 278e5bbdb9a94fa063c0f9bcde2479d0b8042462affected
LinuxLinux4.16affected
LinuxLinux0 < 4.16unaffected
LinuxLinux5.4.119 <= 5.4.*unaffected
LinuxLinux5.10.37 <= 5.10.*unaffected
LinuxLinux5.11.21 <= 5.11.*unaffected
LinuxLinux5.12.4 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References