#VU115666 Memory leak in Linux kernel - CVE-2023-53304
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115666
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-2023-53304
CWE-ID: CWE-401
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 leak within the nft_rbtree_get() and __nft_rbtree_insert() functions in net/netfilter/nft_set_rbtree.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/50cbb9d195c197af671869c8cadce3bd483735a0
- https://git.kernel.org/stable/c/8284a79136c384059e85e278da2210b809730287
- https://git.kernel.org/stable/c/893cb3c3513cf661a0ff45fe0cfa83fe27131f76
- https://git.kernel.org/stable/c/89a4d1a89751a0fbd520e64091873e19cc0979e8
- https://git.kernel.org/stable/c/acaee227cf79c45a5d2d49c3e9a66333a462802c
- https://git.kernel.org/stable/c/cd66733932399475fe933cb3ec03e687ed401462
- https://git.kernel.org/stable/c/f718863aca469a109895cb855e6b81fff4827d71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.316
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.190
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.124
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.262
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.43
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5