SB2024070725 - Security restrictions bypass in Linux kernel bpf
Published: July 7, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2024-38564)
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to improper checks within with bpf_prog_attach_check_attach_type() function in kernel/bpf/syscall.c. A local user can bypass certain security restrictions.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6675c541f540a29487a802d3135280b69b9f568d
- https://git.kernel.org/stable/c/67929e973f5a347f05fef064fea4ae79e7cdb5fd
- https://git.kernel.org/stable/c/b34bbc76651065a5eafad8ddff1eb8d1f8473172
- https://git.kernel.org/stable/c/543576ec15b17c0c93301ac8297333c7b6e84ac7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.12