CVE-2023-1670: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Affected products

• Linux Linux Kernel: from 2.6.18, before 4.14.312 (fixed in 4.14.312); from 4.15, before 4.19.280 (fixed in 4.19.280); from 4.20, before 5.4.240 (fixed in 5.4.240); from 5.5, before 5.10.177 (fixed in 5.10.177); from 5.11, before 5.15.105 (fixed in 5.15.105); from 5.16, before 6.1.22 (fixed in 6.1.22); …

Published 2023-03-30. Last modified 2026-06-17.