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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49621cpufreq: pmac32-cpufreq: Fix refcount leak bug

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

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 82.4% 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: cpufreq: pmac32-cpufreq: Fix refcount leak bug In pmac_cpufreq_init_MacRISC3(), we need to add corresponding of_node_put() for the three node pointers whose refcount have been incremented by of_find_node_by_name().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.14-1DEBIAN-CVE-2022-49621
Debian:13linux5.18.14-1DEBIAN-CVE-2022-49621
Debian:14linux5.18.14-1DEBIAN-CVE-2022-49621
Ubuntu:22.04:LTSlinux5.15.0-50.56UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-aws5.15.0-1021.25UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure5.15.0-1021.26UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gcp5.15.0-1019.25UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gke5.15.0-1017.20UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1004.6UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-ibm5.15.0-1015.17UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1017.22UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-kvm5.15.0-1019.23UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-50.56UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oracle5.15.0-1019.24UBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-raspi5.15.0-1016.18UBUNTU-CVE-2022-49621
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49621
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49621

Affected products (as reported)

VendorProductVersions
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 4f242486bf46d314b2e3838cc64b56f008a3c4d71da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d71da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 4585890ab2dbf455d80e254d3d859d4c1e3579201da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 8dda30f81c751b01cd71f2cfaeef26ad4393b1d11da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 3ea9dbf7c2f436952bca331c6f5d72f75aca224e1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 57289b6601fe78c09921599b042a0b430fb420ec1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 4513018d0bd739097570d26a7760551cba3deb561da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before ccd7567d4b6cf187fdfa55f003a9e461ee629e36
Linux Linux 2.6.12

References