#VU115660 Memory leak in Linux kernel - CVE-2023-53330
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115660
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-2023-53330
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 cfctrl_linkup_request() function in net/caif/cfctrl.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/1dddeceb26002cfea4c375e92ac6498768dc7349
- https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
- https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
- https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48
- https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
- https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
- https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
- https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2