CVE-2023-0160

Public on 2023-03-29
Modified on 2024-03-01
Description
There is a potential deadlock in the eBPF subsystem in the Linux kernel.

The default sysctl configuration "kernel.unprivileged_bpf_disabled" on Amazon Linux does not allow unprivileged users to use eBPF.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.7
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Pending Fix
Amazon Linux 2 - Core kernel Pending Fix
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-06-21 ALAS2KERNEL-5.10-2023-034 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-06-21 ALAS2KERNEL-5.15-2023-021 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-06-21 ALAS2KERNEL-5.4-2023-047 Fixed
Amazon Linux 2023 kernel 2023-05-25 ALAS2023-2023-184 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H