CVE-2020-36784
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: cadence: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in functions cdns_i2c_master_xfer and cdns_reg_slave. However, pm_runtime_get_sync will increment pm usage counter 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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 3%
Affected Systems
- linux•linux
≥ 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a, < 30410519328c94367e561fd878e5f0d3a0303585 | ≥ 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a, < d57ff04e0ed6f3be1682ae861ead33f879225e07 | ≥ 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a, < a45fc41beed8e0fe31864619c34aa00797fb60c1 | ≥ 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a, < 23ceb8462dc6f4b4decdb5536a7e5fc477cdf0b6 | 4.5
- linux•linux_kernel
≥ 4.5, < 5.10.37 | ≥ 5.11, < 5.11.21 | ≥ 5.12, < 5.12.4