Back to Database
Status published
High
CVE-2023-4387
Kernel: vmxnet3: use-after-free in vmxnet3_rq_alloc_rx_buf()
Vulnerability Description
A use-after-free flaw was found in vmxnet3_rq_alloc_rx_buf in drivers/net/vmxnet3/vmxnet3_drv.c in VMware's vmxnet3 ethernet NIC driver in the Linux Kernel. This issue could allow a local attacker to crash the system due to a double-free while cleaning up vmxnet3_rq_cleanup_all, which could also lead to a kernel information leak problem.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-4387
Credits & Attribution
No credits recorded in the NVD database.
References
More from Red Hat
View All →CVE-2025-9909
Aap-gateway: improper path validation in gateway allows credential exfiltration
Medium
6.7
CVE-2025-9908
Event-driven-ansible: sensitive internal headers disclosure in aap eda event streams
Medium
6.7
CVE-2025-9907
Event-driven-ansible: event stream test mode exposes sensitive headers in aap eda
Medium
6.7
CVE-2025-9901
Libsoup: improper handling of http vary header in libsoup caching
Medium
5.9
CVE-2025-9820
Gnutls: stack-based buffer overflow in gnutls_pkcs11_token_init() function
Medium
4
Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0:4.18.0-425.3.1.el8, 0:5.14.0-162.6.1.el9_1
Timeline
Official Publish:
August 16th, 2023
Last Modified:
November 6th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H