#VU115435 NULL pointer dereference in Linux kernel - CVE-2023-53203

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Main Vulnerability Database Vulnerabilities #VU115435

#VU115435 NULL pointer dereference in Linux kernel - CVE-2023-53203

Published: September 16, 2025 / Updated: September 22, 2025


Vulnerability identifier: #VU115435
Vulnerability risk: Low
CVSSv4.0: 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-2023-53203
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the mt7996_mac_write_txwi_80211() and mt7996_mac_write_txwi() functions in drivers/net/wireless/mediatek/mt76/mt7996/mac.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links