CVE-2024-38662: Linux Kernel

Medium severity, CVSS 4.7. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash only if update is allowed We have seen an influx of syzkaller reports where a BPF program attached to a tracepoint triggers a locking rule violation by performing a map_delete on a sockmap/sockhash. We don't intend to support this artificial use scenario. Extend the existing verifier allowed-program-type check for updating sockmap/sockhash to also cover deleting from a map. From now on only BPF programs which were previously allowed to update sockmap/sockhash can delete from these map types.

Affected products

• Linux Linux Kernel: from 5.10, before 5.10.219 (fixed in 5.10.219); from 5.15, before 5.15.161 (fixed in 5.15.161); from 6.1, before 6.1.93 (fixed in 6.1.93); from 6.6, before 6.6.33 (fixed in 6.6.33); from 6.9, before 6.9.4 (fixed in 6.9.4); version 6.10.0 only

Published 2024-06-21. Last modified 2026-06-17.