#VU116360 Input validation error in Linux kernel - CVE-2023-53525
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116360
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-2023-53525
CWE-ID: CWE-20
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 improper input validation within the cma_family(), cma_set_qkey(), cma_ib_init_qp_attr(), cma_send_sidr_rep(), cma_make_mc_event(), cma_ib_mc_handler(), cma_join_ib_multicast(), cma_iboe_join_multicast() and rdma_join_multicast() functions in drivers/infiniband/core/cma.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/02eabb635bc64bd1e3a7cf887d6d182bffb64b99
- https://git.kernel.org/stable/c/48e8e7851dc0b1584d83817a78fc7108c8904b54
- https://git.kernel.org/stable/c/58e84f6b3e84e46524b7e5a916b53c1ad798bc8f
- https://git.kernel.org/stable/c/ae11498851423d6de27aebfe12a5ee85060ab1d5
- https://git.kernel.org/stable/c/bb18b9dbac2bbdf7695e0bfaac4bf944ff7b207d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.12