kernel

CVE-2021-4204
HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 1.24 % · percentile 69 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-20 — Improper Input Validation
  • CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
kernelaffected Affects Linux kernel v5.8 or later

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD