CVE-2023-53230
kernel: Kernel: Denial of Service via memory leak in SMB client
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 15, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's Server Message Block (SMB) client. A local attacker with low privileges could exploit a memory leak in the cifs_smb3_do_mount() function. This could lead to a Denial of Service (DoS) due to resource exhaustion.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-772 · Missing Release of Resource after Effective Lifetime