CVE-2023-54240Linux vulnerability

7 documents6 sources
Severity
N/A
No vector
EPSS
0.0%
top 89.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 30

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.

Affected Packages4 packages

Linuxlinux/linux_kernel4.9.04.14.326+6
Debianlinux/linux_kernel< 5.10.197-1+3
CVEListV5linux/linux7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd7776591e5ae2befff86579f68916a171971c6aab+8
debiandebian/linux< linux 6.1.55-1 (bookworm)

🔴Vulnerability Details

3
OSV
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_get2025-12-30
GHSA
GHSA-74c5-8qvv-vrf8: In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_ge2025-12-30
OSV
net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()2025-12-30

📋Vendor Advisories

2
Red Hat
kernel: net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()2025-12-30
Debian
CVE-2023-54240: linux - In the Linux kernel, the following vulnerability has been resolved: net: ethern...2023

🕵️Threat Intelligence

1
Wiz
CVE-2023-54240 Impact, Exploitability, and Mitigation Steps | Wiz