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Vulnerability · Published Dec 30, 2025 · Assigned by Linux

CVE-2023-54279MIPS: fw: Allow firmware to pass a empty env

Unrated

In plain English

A 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 )–Not rated
Exploit odds (30 days)0.2%top 85.8% 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: MIPS: fw: Allow firmware to pass a empty env fw_getenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointer dereference.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.37-1DEBIAN-CVE-2023-54279
Debian:13linux6.3.7-1DEBIAN-CVE-2023-54279
Debian:14linux6.3.7-1DEBIAN-CVE-2023-54279
Ubuntu:22.04:LTSlinux5.15.0-79.86UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-aws5.15.0-1042.47UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1045.52.1UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gcp5.15.0-1039.47UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gke5.15.0-1039.44UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1025.30UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-ibm5.15.0-1035.38UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1037.42UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-kvm5.15.0-1039.44UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-79.88UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1030.30UBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1016.16UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1002.2UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oracle5.15.0-1040.46UBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-raspi5.15.0-1035.38UBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-54279
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-54279

Affected products (as reported)

VendorProductVersions
Linux Linux 14aecdd419217e041fb5dd2749d11f58503bdf62 – before f334b31625683418aaa2a335470eec950a95a25414aecdd419217e041fb5dd2749d11f58503bdf62 – before 830181ddced5a05a711dc9da8043203b1f33a77e14aecdd419217e041fb5dd2749d11f58503bdf62 – before 0f91290774c798199ba4b8df93de5c3156b5163d14aecdd419217e041fb5dd2749d11f58503bdf62 – before 47e61cadc7a5f3dffd42d2d6fda81be163f1ab8214aecdd419217e041fb5dd2749d11f58503bdf62 – before 3ef93b7bd9e042db240843f24a80e14da38c683014aecdd419217e041fb5dd2749d11f58503bdf62 – before a6b54af407873227caef6262e992f5422cdcb6ae14aecdd419217e041fb5dd2749d11f58503bdf62 – before ad79828f133e98585ab2236cad04a55eb7141bbe14aecdd419217e041fb5dd2749d11f58503bdf62 – before aeed787bbbbe1b842beec9a065a36c915226f704
Linux Linux 3.10

References