CVE-2023-54279

MIPS: fw: Allow firmware to pass a empty env

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 11, 2026
Reserved: Dec 30, 2025

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	14aecdd419217e041fb5dd2749d11f58503bdf62 to before f334b31625683418aaa2a335470eec950a95a254Affected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before 830181ddced5a05a711dc9da8043203b1f33a77eAffected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before 0f91290774c798199ba4b8df93de5c3156b5163dAffected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before 47e61cadc7a5f3dffd42d2d6fda81be163f1ab82Affected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before 3ef93b7bd9e042db240843f24a80e14da38c6830Affected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before a6b54af407873227caef6262e992f5422cdcb6aeAffected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before ad79828f133e98585ab2236cad04a55eb7141bbeAffected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before aeed787bbbbe1b842beec9a065a36c915226f704Affected 14aecdd419217e041fb5dd2749d11f58503bdf62 to before ee1809ed7bc456a72dc8410b475b73021a3a68d5Affected
LinuxLinux	3.10Affected before 3.10Not affected 4.14.315 through 4.14.Not affected 4.19.283 through 4.19.Not affected 5.4.243 through 5.4.Not affected 5.10.180 through 5.10.Not affected 5.15.111 through 5.15.Not affected 6.1.28 through 6.1.Not affected 6.2.15 through 6.2.Not affected 6.3.2 through 6.3.Not affected 6.4 and laterNot affected

Product

Versions

LinuxLinux

14aecdd419217e041fb5dd2749d11f58503bdf62 to before f334b31625683418aaa2a335470eec950a95a254Affected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before 830181ddced5a05a711dc9da8043203b1f33a77eAffected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before 0f91290774c798199ba4b8df93de5c3156b5163dAffected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before 47e61cadc7a5f3dffd42d2d6fda81be163f1ab82Affected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before 3ef93b7bd9e042db240843f24a80e14da38c6830Affected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before a6b54af407873227caef6262e992f5422cdcb6aeAffected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before ad79828f133e98585ab2236cad04a55eb7141bbeAffected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before aeed787bbbbe1b842beec9a065a36c915226f704Affected
14aecdd419217e041fb5dd2749d11f58503bdf62 to before ee1809ed7bc456a72dc8410b475b73021a3a68d5Affected

LinuxLinux

3.10Affected
before 3.10Not affected
4.14.315 through 4.14.*Not affected
4.19.283 through 4.19.*Not affected
5.4.243 through 5.4.*Not affected
5.10.180 through 5.10.*Not affected
5.15.111 through 5.15.*Not affected
6.1.28 through 6.1.*Not affected
6.2.15 through 6.2.*Not affected
6.3.2 through 6.3.*Not affected
6.4 and laterNot affected

References

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