What’s Vulnerable › Vulnerabilities
CVE-2023-23039
- Severity: medium (CVSS 5.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-02-22 · updated 2026-06-17
- Weakness: CWE-362
Description
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 kernel: before 6.2.0; 6.2.0-rc1, 6.2.0-rc2 — fixed in 6.2.0
How to fix
Upgrade to a fixed version: Linux kernel 6.2.0. Check the vendor advisory for mitigations.
References
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