CVE-2021-47067

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.5% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-02-29 22:37Z2 YR AGO

Last updated

2026-05-11 13:47Z3 MO AGO

Reserved

2024-02-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

fbe89d2b1446a9f4697c3be1d81cb45b858b8a406332f58124b0c34df39d6531

• git.kernel.orghttps://git.kernel.org/stable/c/a1ad124c836816fac8bd5e461d36eaf33cee4e24
• git.kernel.orghttps://git.kernel.org/stable/c/dc4452867200fa94589b382740952b58aa1c3e6c
• git.kernel.orghttps://git.kernel.org/stable/c/ff39adf5d31c72025bba799aec69c5c86d81d549
• git.kernel.orghttps://git.kernel.org/stable/c/ef85bb582c41524e9e68dfdbde48e519dac4ab3d