CVE-2023-54240
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/12/2025
Last modified:
31/12/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()<br />
<br />
rule_locs is allocated in ethtool_get_rxnfc and the size is determined by<br />
rule_cnt from user space. So rule_cnt needs to be check before using<br />
rule_locs to avoid NULL pointer dereference.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/072324cfab9b96071c0782f51f53cc5aea1e9d5b
- https://git.kernel.org/stable/c/653fbddbdfc6673bba01b13dae5a4384ad8f92ec
- https://git.kernel.org/stable/c/751b2e22a188b0c306029d094da29b6b8de31430
- https://git.kernel.org/stable/c/75f2de75c1182e80708c932418e4895dbc88b68f
- https://git.kernel.org/stable/c/7776591e5ae2befff86579f68916a171971c6aab
- https://git.kernel.org/stable/c/e4c79810755f66c9a933ca810da2724133b1165a
- https://git.kernel.org/stable/c/fe0195fe48f85182bc7e7eabcad925bd3cbc10f5
- https://git.kernel.org/stable/c/ff5faed5f5487b0fd2b640ba1304f82a5ebaab42