High severity7.8NVD Advisory· Published Sep 17, 2026· Updated Oct 21, 2026

CVE-2026-90217

Description

In the Linux kernel, the following vulnerability has been resolved:

bpf: Compare iterator types during state pruning

An iterator stack slot can be MEM_RCU or PTR_UNTRUSTED. These states must not be equal, or the verifier can prune an unsafe path.

Compare the pointer type for STACK_ITER slots.

LLM-synthesized narrative grounded in this CVE's description and references.

Linux/Kernelllm-fuzzy
osv-coords2 versions
pkg:linux/kernel pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed
>= 6.7.0, < 6.12.114+ 1 more
- (no CPE)range: >= 6.7.0, < 6.12.114
- (no CPE)range: < 7.2.7-1.1

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