CVE-2021-4204

kernel: improper input validation may lead to privilege escalation

Published Aug 24, 2022 CVSS 3.1 · 7.1 High EPSS 1.2% KEV · Not listed
Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-34062 An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
Ubuntu USN Ubuntu USN USN-5217-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5218-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5219-1 Linux kernel vulnerability
History
Type Values Removed Values Added
Metrics ssvc

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

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