MIPS: fw: Allow firmware to pass a empty env
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00233 14th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.14.315, 4.19.283, 5.4.243 +6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.10 and later | 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 | Patch available | CNA |
- Linux VendorLinux Affected 3.10 and later Fixed in 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54279
- 2026-10-03 Alias added: GHSA-fp2g-4w3c-p2mv
References
Other 9
- https://git.kernel.org/stable/c/f334b31625683418aaa2a335470eec950a95a254
- https://git.kernel.org/stable/c/830181ddced5a05a711dc9da8043203b1f33a77e
- https://git.kernel.org/stable/c/0f91290774c798199ba4b8df93de5c3156b5163d
- https://git.kernel.org/stable/c/47e61cadc7a5f3dffd42d2d6fda81be163f1ab82
- https://git.kernel.org/stable/c/3ef93b7bd9e042db240843f24a80e14da38c6830
- https://git.kernel.org/stable/c/a6b54af407873227caef6262e992f5422cdcb6ae
- https://git.kernel.org/stable/c/ad79828f133e98585ab2236cad04a55eb7141bbe
- https://git.kernel.org/stable/c/aeed787bbbbe1b842beec9a065a36c915226f704
- https://git.kernel.org/stable/c/ee1809ed7bc456a72dc8410b475b73021a3a68d5
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Sources
- CVE-2023-54279 · CVE Program
- CVE-2023-54279 · NVD
- FIRST EPSS
- GHSA-fp2g-4w3c-p2mv · GitHub Advisory Database · CC BY 4.0
- CVE-2023-54279 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences