CVE-2017-17863: Debian Linux
High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.
kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.
Affected products
Published 2017-12-27. Last modified 2026-06-17.