CVE-2023-54240
net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.9
References 8
git.kernel.org
- stable/c/7776591e5ae2befff86579f68916a171971c6aab
- stable/c/751b2e22a188b0c306029d094da29b6b8de31430
- stable/c/653fbddbdfc6673bba01b13dae5a4384ad8f92ec
- stable/c/75f2de75c1182e80708c932418e4895dbc88b68f
- stable/c/072324cfab9b96071c0782f51f53cc5aea1e9d5b
- stable/c/ff5faed5f5487b0fd2b640ba1304f82a5ebaab42
- stable/c/fe0195fe48f85182bc7e7eabcad925bd3cbc10f5
- stable/c/e4c79810755f66c9a933ca810da2724133b1165a