CVE-2023-54240
net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 30, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < 7776591e5ae2befff86579f68916a171971c6aab 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < 751b2e22a188b0c306029d094da29b6b8de31430 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < 653fbddbdfc6673bba01b13dae5a4384ad8f92ec 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < 75f2de75c1182e80708c932418e4895dbc88b68f 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < 072324cfab9b96071c0782f51f53cc5aea1e9d5b 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < ff5faed5f5487b0fd2b640ba1304f82a5ebaab42 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < fe0195fe48f85182bc7e7eabcad925bd3cbc10f5 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd < e4c79810755f66c9a933ca810da2724133b1165a
Linux / Linux
4.9
References
git.kernel.org: https://git.kernel.org/stable/c/7776591e5ae2befff86579f68916a171971c6aab git.kernel.org: https://git.kernel.org/stable/c/751b2e22a188b0c306029d094da29b6b8de31430 git.kernel.org: https://git.kernel.org/stable/c/653fbddbdfc6673bba01b13dae5a4384ad8f92ec git.kernel.org: https://git.kernel.org/stable/c/75f2de75c1182e80708c932418e4895dbc88b68f git.kernel.org: https://git.kernel.org/stable/c/072324cfab9b96071c0782f51f53cc5aea1e9d5b git.kernel.org: https://git.kernel.org/stable/c/ff5faed5f5487b0fd2b640ba1304f82a5ebaab42 git.kernel.org: https://git.kernel.org/stable/c/fe0195fe48f85182bc7e7eabcad925bd3cbc10f5 git.kernel.org: https://git.kernel.org/stable/c/e4c79810755f66c9a933ca810da2724133b1165a