VULNERABILITY INTELLIGENCE

CVE-2024-38662

CVSS score4.7 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2024-06-21
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Description

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references