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Vulnerability · Published Jun 18, 2025 · Assigned by Linux

CVE-2022-50192spi: tegra20-slink: fix UAF in tegra_slink_remove()

High 7.8

In plain English

A high-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 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 82.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: fix UAF in tegra_slink_remove() After calling spi_unregister_master(), the refcount of master will be decrease to 0, and it will be freed in spi_controller_release(), the device data also will be freed, so it will lead a UAF when using 'tspi'. To fix this, get the master before unregister and put it when finish using it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.2-1DEBIAN-CVE-2022-50192
Debian:13linux6.0.2-1DEBIAN-CVE-2022-50192
Debian:14linux6.0.2-1DEBIAN-CVE-2022-50192
Ubuntu:22.04:LTSlinux5.15.0-53.59UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-aws5.15.0-1023.27UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure5.15.0-1023.29UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gcp5.15.0-1022.29UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gke5.15.0-1020.25UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1008.12UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-ibm5.15.0-1018.21UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1018.23UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-kvm5.15.0-1021.26UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-53.59UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oracle5.15.0-1022.28UBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-raspi5.15.0-1018.20UBUNTU-CVE-2022-50192
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50192
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50192
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50192
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50192

Affected products (as reported)

VendorProductVersions
Linux Linux 26c863418221344b1cfb8e6c11116b2b81144281 – before 415b4ce61308f24583912d887772dfcbf97f1d2026c863418221344b1cfb8e6c11116b2b81144281 – before 800c7767e05d29656713e04532823a752e57e03726c863418221344b1cfb8e6c11116b2b81144281 – before 67f77172644260482fdafc03b6025847944701e526c863418221344b1cfb8e6c11116b2b81144281 – before 7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
Linux Linux 5.15

References