#VU116311 Buffer overflow in Linux kernel - CVE-2023-53485
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116311
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-2023-53485
CWE-ID: CWE-119
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 memory corruption within the dbAllocDmapLev() function in fs/jfs/jfs_dmap.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/0d9e678a82915633b99603f744e7735d1a673d72
- https://git.kernel.org/stable/c/39f6292d75959e8accac0b3e24090094ba0824e9
- https://git.kernel.org/stable/c/4e302336d5ca1767a06beee7596a72d3bdc8d983
- https://git.kernel.org/stable/c/53b0a362aca2583729e8ca2936ca657ff3247d88
- https://git.kernel.org/stable/c/6e7d9d76e5654bcdd3cdb7c9441a8113428ecebb
- https://git.kernel.org/stable/c/911b48eec45152822bccf45cd3563b48256b1520
- https://git.kernel.org/stable/c/bdf07ab1595b613b03f32dbb5cb379edfa1a7334
- https://git.kernel.org/stable/c/f2af019091f904ca08b3572ab0111238ad6d17b3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.7