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Medium severity5.5NVD Advisory· Published Sep 19, 2025· Updated Jun 17, 2026

CVE-2025-39856

CVE-2025-39856

Description

In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: ti: am65-cpsw-nuss: Fix null pointer dereference for ndev

In the TX completion packet stage of TI SoCs with CPSW2G instance, which has single external ethernet port, ndev is accessed without being initialized if no TX packets have been processed. It results into null pointer dereference, causing kernel to crash. Fix this by having a check on the number of TX packets which have been processed.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Linux/Kernelllm-fuzzy7 versions
    (expand)+ 6 more
    • (no CPE)
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.15,<6.16.6
    • cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
    • (no CPE)range: 6.15
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.15.0, < 6.16.6

Patches

Vulnerability mechanics

References

2

News mentions

0

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