CVE-2023-54279

Not scored yetLast modified Jun 17, 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.

Metrics

No CVSS score has been published yet.

Affected software

VendorProductVersions
LinuxLinux>= 14aecdd419217e041fb5dd2749d11f58503bdf62, < f334b31625683418aaa2a335470eec950a95a254; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < 830181ddced5a05a711dc9da8043203b1f33a77e; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < 0f91290774c798199ba4b8df93de5c3156b5163d; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < 47e61cadc7a5f3dffd42d2d6fda81be163f1ab82; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < 3ef93b7bd9e042db240843f24a80e14da38c6830; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < a6b54af407873227caef6262e992f5422cdcb6ae; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < ad79828f133e98585ab2236cad04a55eb7141bbe; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < aeed787bbbbe1b842beec9a065a36c915226f704; >= 14aecdd419217e041fb5dd2749d11f58503bdf62, < ee1809ed7bc456a72dc8410b475b73021a3a68d5
LinuxLinux3.10

References

Timeline

Published
Dec 30, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2023-54279: Unscored | Vulnix