CVE-2023-54279
kernel: MIPS: fw: Allow firmware to pass a empty env
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Severity
ModerateRed Hat Product Security
CVSS
Review impact separately from score.
Published · December 30, 2025
Updated · June 30, 2026
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.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE not specified