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CVE-2023-54240

UnknownEPSS 0.18%

Last modified

CVE-2023-54240 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.18%

7.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 7776591e5ae2befff86579f68916a171971c6aab; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 751b2e22a188b0c306029d094da29b6b8de31430; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 653fbddbdfc6673bba01b13dae5a4384ad8f92ec; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 75f2de75c1182e80708c932418e4895dbc88b68f; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < 072324cfab9b96071c0782f51f53cc5aea1e9d5b; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < ff5faed5f5487b0fd2b640ba1304f82a5ebaab42; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < fe0195fe48f85182bc7e7eabcad925bd3cbc10f5; >= 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd, < e4c79810755f66c9a933ca810da2724133b1165a
LinuxLinux4.9

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2023-54240?
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 severe is CVE-2023-54240?
Severity scoring for CVE-2023-54240 is pending analysis. The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2023-54240?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST