CVE-2021-47034

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

Ranks above 12.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/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

2024-02-28 08:13Z2 YR AGO

Last updated

2026-05-11 13:46Z3 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 4.4)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.2

Document digest

81e6a97ed4483f60b32dd07743fcdfa0f8a91a296b8b9fd1b5083f7b1cad033f

• git.kernel.orghttps://git.kernel.org/stable/c/b3d5d0983388d6c4fb35f7d722556d5595f167a7
• git.kernel.orghttps://git.kernel.org/stable/c/73f9dccb29e4f82574bec2765c0090cdb0404301
• git.kernel.orghttps://git.kernel.org/stable/c/84c0762633f2a7ac8399e6b97d3b9bb8e6e1d50f
• git.kernel.orghttps://git.kernel.org/stable/c/01ac203e2119d8922126886ddea309fb676f955f
• git.kernel.orghttps://git.kernel.org/stable/c/e40c52ee67b155ad59f59e73ea136d02685f0e0d
• git.kernel.orghttps://git.kernel.org/stable/c/b8b2f37cf632434456182e9002d63cbc4cccc50c