CVE-2026-93044: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow interpreter fallback for arena-related insns Since the interpreter does not support the arena-related insns, interpreter fallback should not be allowed for these insns in core.c::__bpf_prog_select_runtime(). Currently, when the interpreter executes the arena ST/LDX/STX insns, it would hit the BUG_ON() in ___bpf_prog_run() at run time. [ 2.579196] BPF interpreter: unknown opcode a2 (imm: 0x0) [ 2.579998] ------------[ cut here ]------------ [ 2.580652] kernel BUG at kernel/bpf/core.c:2349! [ 2.581314] Oops: invalid opcode: 0000 [#1] SMP PTI Set jit_required as true when arena map is used in the prog to disallow interpreter fallback for arena-related insns.

Засегнати продукти

• Linux Linux: 6082b6c328b5486da2b356eae94b8b83c98b5565 преди 408b6d3bc19c4aa852ab7ee2f447756e52e69967; 6082b6c328b5486da2b356eae94b8b83c98b5565 преди 34746b5a84ec37c0ea2bf6808c65c5ed8790eb51
• Linux Linux: 6.9; преди 6.9; 7.2.6 до 7.2.*; 7.3 до *

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-93044
• https://nvd.nist.gov/vuln/detail/CVE-2026-93044
• https://git.kernel.org/stable/c/408b6d3bc19c4aa852ab7ee2f447756e52e69967
• https://git.kernel.org/stable/c/34746b5a84ec37c0ea2bf6808c65c5ed8790eb51