CVE-2021-47612

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.0% 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

Modified. 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

2024-06-19 14:58Z2 YR AGO

Last updated

2026-05-11 13:57Z5 MO AGO

Reserved

2024-06-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

d4cc0e71ed169454a6e27abff4ca415bc7c059dc6a5eb4a956096f6cabf618c0

• git.kernel.orghttps://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34
• git.kernel.orghttps://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529c
• git.kernel.orghttps://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946c
• git.kernel.orghttps://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3
• git.kernel.orghttps://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112
• git.kernel.orghttps://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181
• git.kernel.orghttps://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96d
• git.kernel.orghttps://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203