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Vulnerability · Published Feb 28, 2024 · Assigned by Linux

CVE-2020-36783i2c: img-scb: 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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.5% 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: img-scb: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in functions img_i2c_xfer and img_i2c_init. 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-2020-36783
Debian:13linux5.10.38-1DEBIAN-CVE-2020-36783
Debian:14linux5.10.38-1DEBIAN-CVE-2020-36783
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2020-36783
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2020-36783
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2020-36783

Affected products (as reported)

VendorProductVersions
Linux Linux 93222bd9b966105f43418fd336654ad10045783a – before 4734c4b1d9573c9d20bbc46cf37dde095ee011b893222bd9b966105f43418fd336654ad10045783a – before e80ae8bde41266d3b8bf012460b659385176600693222bd9b966105f43418fd336654ad10045783a – before 96c4a03658d661666c360959aa80cdabfe2972ed93222bd9b966105f43418fd336654ad10045783a – before 7ee35cde1e810ad6ca589980b9ec2b7b62946a5b93222bd9b966105f43418fd336654ad10045783a – before 223125e37af8a641ea4a09747a6a52172fc4b903
Linux Linux 4.15

References