CVE-2021-4204

EPSS 1.1%CWE-20

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

n/a · kernel

References

https://access.redhat.com/security/cve/CVE-2021-4204 https://bugzilla.redhat.com/show_bug.cgi?id=2039178 https://security.netapp.com/advisory/ntap-20221228-0003/https://security-tracker.debian.org/tracker/CVE-2021-4204 https://www.openwall.com/lists/oss-security/2022/01/11/4