CVE-2023-1838

Updated: 2026-01-16 03:36:18.011709

Description:

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x HIGH 7.1

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.1 HIGH Released CLSA-2024:1712570434 2024-04-08 10:43:41
CentOS 6 ELS kernel 2.6.32 7.1 HIGH Not Vulnerable 2023-12-26 13:11:29
CentOS 7 ELS kernel 3.10.0 7.1 HIGH Released CLSA-2024:1720468480 2024-07-23 17:28:53
CentOS 8.4 ELS kernel 4.18.0 7.1 HIGH Released CLSA-2023:1701963303 2023-12-07 13:11:45
CentOS 8.5 ELS kernel 4.18.0 7.1 HIGH Released CLSA-2023:1701962635 2023-12-07 13:11:46
CloudLinux 6 ELS kernel 2.6.32 7.1 HIGH Not Vulnerable 2024-05-08 10:20:25
Oracle Linux 6 ELS kernel 2.6.32 7.1 HIGH Not Vulnerable 2023-12-26 13:11:29
RHEL 7 ELS kernel 3.10.0 7.1 HIGH Released CLSA-2025:1750353839 2025-06-20 00:28:02
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.1 HIGH Released CLSA-2023:1701279154 2023-11-29 13:12:10
Ubuntu 16.04 ELS linux 4.4.0 7.1 HIGH Not Vulnerable 2024-04-22 10:06:45
Total: 11