CVE-2020-36779

i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails

published February 28, 2024

CVSS
—
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

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

i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails

The PM reference count is not expected to be incremented on

return in these stm32f7_i2c_xx serious functions.

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00222 · 12.0th percentile
Published
2024-02-28T08:13Z
EPSS history
Timeline
  • 28 FEB 08:13Z
    i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails
    cvelistv5