CVE Vulnerability

CVE-2021-4204

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.

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-4204 Mitigation Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2039178 Issue Tracking Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-4204 Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/11/4 Mailing List Patch
https://security.netapp.com/advisory/ntap-20221228-0003/
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.8.0:-:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2022-08-24 04:15

Updated : 2022-12-28 04:15

NVD link : CVE-2021-4204

Mitre link : CVE-2021-4204

Products Affected

Enterprise Linux

Redhat

CWE
CWE-20