Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.8.0 |
| Debian | Debian Linux | 11.0 |
| Redhat | Enterprise Linux | 9.0 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-4204MitigationThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039178Issue TrackingThird 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 ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4204MitigationThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039178Issue TrackingThird 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 ListPatchThird Party Advisory
FAQ
What is CVE-2021-4204?
CVE-2021-4204 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 le...
How severe is CVE-2021-4204?
CVE-2021-4204 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4204?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Redhat Enterprise Linux, Netapp H300S Firmware, Netapp H300S.