CVE-2022-0500

kernel: Linux ebpf logic vulnerability leads to critical memory read and write gaining root privileges

Published Mar 25, 2022 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-15637 A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.
Ubuntu USN Ubuntu USN USN-5518-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5564-1 Linux kernel (Intel IoTG) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:/o:redhat:rhel_eus:8.8