CVE-2020-36779

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Feb 28, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2020

CVE-2020-36787.8u'A buffer overflow could occur if the API is improperly used due to UIE init does not contain a buffer size a param' in Snapdragon ConsumerCVE-2020-367804.7In the Linux kernel, the following vulnerability has been resolved: i2c: sprd: fix reference leak when pm_runtime_get_sync fails The PM reCVE-2020-367815.5In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix reference leak when pm_runtime_get_sync fails In i2c_imxCVE-2020-367825.5In the Linux kernel, the following vulnerability has been resolved: i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails The CVE-2020-367835.5In the Linux kernel, the following vulnerability has been resolved: i2c: img-scb: fix reference leak when pm_runtime_get_sync fails The PMCVE-2020-367845.5In the Linux kernel, the following vulnerability has been resolved: i2c: cadence: fix reference leak when pm_runtime_get_sync fails The PMCVE-2020-367857.8In the Linux kernel, the following vulnerability has been resolved: media: atomisp: Fix use after free in atomisp_alloc_css_stat_bufs() ThCVE-2020-367865.5In the Linux kernel, the following vulnerability has been resolved: media: [next] staging: media: atomisp: fix memory leak of object flash CVE-2020-367875.5In the Linux kernel, the following vulnerability has been resolved: media: aspeed: fix clock handling logic Video engine uses eclk and vclCVE-2020-367887.8In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveau_bo_initCVE-2020-367895.5In the Linux kernel, the following vulnerability has been resolved: can: dev: can_get_echo_skb(): prevent call to kfree_skb() in hard IRQ cCVE-2020-36795.5u'During execution after Address Space Layout Randomization is turned on for QTEE, part of code is still mapped at known address including c
CVE-2020-36779: Medium severity, CVSS 5.5 | Vulnix