CVE-2024-38564

MediumCVSS 5.5/10Last modified Oct 27, 2026

Description

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

bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE

bpf_prog_attach uses attach_type_to_prog_type to enforce proper attach type for BPF_PROG_TYPE_CGROUP_SKB. link_create uses bpf_prog_get and relies on bpf_prog_attach_check_attach_type to properly verify prog_type <> attach_type association.

Add missing attach_type enforcement for the link_create case. Otherwise, it's currently possible to attach cgroup_skb prog types to other cgroup hooks.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 3505cb9fa26cfec9512744466e754a8cbc2365b0, < 6675c541f540a29487a802d3135280b69b9f568d; >= 3505cb9fa26cfec9512744466e754a8cbc2365b0, < 67929e973f5a347f05fef064fea4ae79e7cdb5fd; >= 3505cb9fa26cfec9512744466e754a8cbc2365b0, < b34bbc76651065a5eafad8ddff1eb8d1f8473172; >= 3505cb9fa26cfec9512744466e754a8cbc2365b0, < 543576ec15b17c0c93301ac8297333c7b6e84ac7
LinuxLinux6.6

References

Timeline

Published
Jun 19, 2024
Last modified
Oct 27, 2026
NVD status
Modified

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CVE-2024-38564: Medium severity, CVSS 5.5 | Vulnix