CVE-2026-90217: Linux

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 6.7, before 7.2.6 (fixed in 7.2.6)

Published 2026-09-17. Last modified 2026-09-18.