CVE-2021-38300: arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transf...

Security readout for executives and security teams

This is a Linux kernel bug affecting the MIPS BPF JIT path. On vulnerable systems, an unprivileged cBPF program could cause the kernel to generate unsafe machine code, creating a path to arbitrary code execution in kernel context. Business urgency depends on whether any MIPS-based Linux systems or appliances are in scope. Exposure appears limited to MIPS-based Linux kernels or vendor appliances using affected kernel code and reachable unprivileged cBPF functionality. The provided CVE data does not identify broad CPEs or affected product versions beyond Linux kernel context and downstream NetApp and Debian references. Treat as high priority only for environments with MIPS-based Linux systems, embedded appliances, or vendor products carrying affected kernel code. For standard non-MIPS fleets, validate applicability before escalating emergency work. Mitigation focus: Identify MIPS-based Linux systems and appliances in the environment.; Check vendor advisories for fixed kernel packages or firmware updates.; Update affected Linux kernels to fixed vendor-supported releases..

Prepared

Jun 2, 2026, 18:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.