#VU122372 Integer underflow in Linux kernel - CVE-2026-23069
Published: February 5, 2026
Vulnerability identifier: #VU122372
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23069
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the virtio_transport_get_credit(), virtio_transport_seqpacket_has_data(), virtio_transport_stream_has_space() and virtio_transport_space_update() functions in net/vmw_vsock/virtio_transport_common.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's repository.