Vulnerability in Linux
CVE-2023-53068
In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Limit packet length to skb->len Packet length retrieved from descriptor may be larger than the actual socket buffer length. In such case the cloned skb passed up the network stack will leak kernel memory contents. Additionally prevent integer underflow when size is less than ETH_FCS_LEN.
EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 55d7de9de6c30adce8d675c7ce513e283829c2ff, 4.3, 0
- Linux Linux_kernel — versions 6.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-53068?
- CVE-2023-53068 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-05-02.
- How severe is CVE-2023-53068?
- Medium severity. CVSS v3 base score is 5.5 out of 10.