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Vulnerability · Published Oct 7, 2025 · Assigned by Linux

CVE-2022-50518parisc: Fix locking in pdc_iodc_print() firmware call

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 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.7% 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: parisc: Fix locking in pdc_iodc_print() firmware call Utilize pdc_lock spinlock to protect parallel modifications of the iodc_dbuf[] buffer, check length to prevent buffer overflow of iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong indentings.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.4-1DEBIAN-CVE-2022-50518
Debian:13linux6.1.4-1DEBIAN-CVE-2022-50518
Debian:14linux6.1.4-1DEBIAN-CVE-2022-50518
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50518
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50518
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-50518

Affected products (as reported)

VendorProductVersions
Linux Linux ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – before 04a603058e70b8b881bb7860b8bd649f931f2591ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – before 553bc5890ed96a8d006224c3a4673c47fee0d12aef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – before 7236aae5f81f3efbd93d0601e74fc05994bc258024319896af06b84f965bcefa0f2d926b726ed05b2.6.24.5 – before 2.6.25
Linux Linux 2.6.25

References