Input validation error in Linux kernel - CVE-2023-53509
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116366
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53509
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the qed_find_nvram_image(), qed_nvram_read(), qed_grc_dump_mcp_hw_dump(), qed_mcp_trace_get_meta_info() and qed_mcp_trace_read_meta() functions in drivers/net/ethernet/qlogic/qed/qed_debug.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53509
Install update from vendor's repository.