#VU116773 NULL pointer dereference in Linux kernel - CVE-2023-53679
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116773
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-2023-53679
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mt7601u_rx_next_seg_len() function in drivers/net/wireless/mediatek/mt7601u/dma.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1a1f43059afae5cc9409e0c3bc63bfc09bc8facb
- https://git.kernel.org/stable/c/47dc1f425af57b71111d7b01ebd24e04e8d967ef
- https://git.kernel.org/stable/c/61d0163e2be7a439cf6f82e9ad7de563ecf41e7a
- https://git.kernel.org/stable/c/67e4519afba215199b6dfa39ce5d7ea673ee4138
- https://git.kernel.org/stable/c/803f3176c5df3b5582c27ea690f204abb60b19b9
- https://git.kernel.org/stable/c/d0db59e2f718d1e2f1d2a2d8092168fdd2f3add0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3