It looks like the Microsoft CVE page for CVE-2026-23126 is currently unavailable, and I couldn’t find a matching entry in the uploaded forum data either. The title you gave — “netdevsim: fix a race issue related to the operation on bpf_bound_progs list” — strongly suggests a Linux kernel netdevsim/BPF race fix, but I can’t confirm the exact advisory text or affected versions from the available sources.
What I can say is that this appears to be a kernel concurrency bug involving the bpf_bound_progs list in netdevsim, likely the kind of issue that could lead to a use-after-free or list corruption if the list is modified concurrently without proper locking or synchronization. That’s an inference, not a confirmed finding, because the source page itself is missing.
If you want, I can help you do one of these next:
- Track down the upstream kernel commit or mailing-list thread for the fix.
- Summarize the likely impact and remediation once we identify the patch.
- Search for vendor advisories or NVD entries for CVE-2026-23126.
Source: MSRC
Security Update Guide - Microsoft Security Response Center