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.

• CWE-20
• CWE-119

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

Published

Aug 24, 2022

Last Modified

Jun 17, 2026

Status

Modified

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