CVE-2023-53719
kernel: Linux kernel: Resource leak in arc_uart driver can cause denial of service
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 22, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel, specifically within the arc_uart serial driver. This vulnerability involves a resource leak where memory allocated for hardware interaction is not properly released under certain error conditions. A local attacker with low privileges could exploit this to exhaust system resources, potentially leading to a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime