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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49177hwrng: cavium - fix NULL but dereferenced coccicheck error

Medium 5.5

In plain English

A medium-severity null pointer dereference 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 3.1)5.5Medium
Exploit odds (30 days)0.2%top 86.1% 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: hwrng: cavium - fix NULL but dereferenced coccicheck error Fix following coccicheck warning: ./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR: pdev is NULL but dereferenced.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.17.3-1DEBIAN-CVE-2022-49177
Debian:13linux5.17.3-1DEBIAN-CVE-2022-49177
Debian:14linux5.17.3-1DEBIAN-CVE-2022-49177
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-49177
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49177
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-49177

Affected products (as reported)

VendorProductVersions
Linux Linux 680efb33546be8960ccbb2f4e0e43034d9c93b30 – before e47b12f9415169eceda6770fcf45802e0c8d2a66680efb33546be8960ccbb2f4e0e43034d9c93b30 – before e6205ad58a7ac194abfb33897585b38687d797fabc20294cc8da53c0dc0f5a076b4883be6ec969307919dfd84b352782df92c1ff2f0ca4dd5328d198cc744db61229b6c55164b8cbdfaad4caacce62f95.10.110 – before 5.115.15.33 – before 5.165.16.19 – before 5.17
Linux Linux 5.17

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References