SB20251001181 - Input validation error in Linux kernel infiniband core driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001181
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-53525)
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 website.
References
- 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