CVE & CISA-KEV Catalog

CVE-2023-54240

UNSCORED
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all() rule_locs is allocated in ethtool_get_rxnfc and the size is determined by rule_cnt from user space. So rule_cnt needs to be check before using rule_locs to avoid NULL pointer dereference.

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.197-1CVE-2023-54240
Fixed in:6.1.55-1CVE-2023-54240
Fixed in:6.5.6-1CVE-2023-54240
Fixed in:6.5.6-1CVE-2023-54240

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.18%probability of exploitation in 30 days
7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-31.