SB2026100808 - Race condition in Linux kernel infiniband core driver
Published: October 8, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-98252)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to compromise system confidentiality, integrity, and availability.
The vulnerability exists due to a race condition in reference count initialization in iwpm_get_nlmsg_request() in the Linux kernel RDMA core when publishing a request to a global list before initializing its reference count. A local user can trigger concurrent access to the incompletely initialized request to compromise system confidentiality, integrity, and availability.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/117871cdb8927542abd7b65ce5995bf0265a8c05
- https://git.kernel.org/stable/c/2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8
- https://git.kernel.org/stable/c/33fb59da49c4c3f5c2ec9f9d4447a56857a02c02
- https://git.kernel.org/stable/c/52c13c63bb3662c108244e7447055e30bf40244e
- https://git.kernel.org/stable/c/88e429a4e9bac3d2138011c5ca06254331f2587f
- https://git.kernel.org/stable/c/8a91609032d47e77bcb37bc8f6e88d89340d2709
- https://git.kernel.org/stable/c/ce8a379598bd4058081416abea4279fd05a95374
- https://git.kernel.org/stable/c/e15eb536be4f646ce683d2867572b2200be877f7