Vulnerability · Published Feb 28, 2024 · Assigned by Linux

CVE-2020-36782i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.10.38-1DEBIAN-CVE-2020-36782
Debian:13linux5.10.38-1DEBIAN-CVE-2020-36782
Debian:14linux5.10.38-1DEBIAN-CVE-2020-36782
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2020-36782
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2020-36782
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2020-36782

Affected products (as reported)

VendorProductVersions
Linux Linux 13d6eb20fc79a1e606307256dad4098375539a09 – before 815859cb1d2302e74f11bf6894bceace9ca9eb4a13d6eb20fc79a1e606307256dad4098375539a09 – before cc49d206414240483bb93ffa3d80243e6a77691613d6eb20fc79a1e606307256dad4098375539a09 – before bb300acc867e937edc2a6898e92b21f88e4e4e6613d6eb20fc79a1e606307256dad4098375539a09 – before b100650d80cd2292f6c152f5f2943b5944b3e8ce13d6eb20fc79a1e606307256dad4098375539a09 – before 278e5bbdb9a94fa063c0f9bcde2479d0b8042462
Linux Linux 4.16

References