CVE-2023-23039: Linux Kernel

Medium severity, CVSS 5.7. EPSS: 0.2% chance of exploitation in the next 30 days.

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove().

Affected products

• Linux Linux Kernel: before 6.2.0 (fixed in 6.2.0); version 6.2.0 only

Published 2023-02-22. Last modified 2026-06-17.