CVE-2021-47424

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 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

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

2024-05-21 15:04Z2 YR AGO

Last updated

2026-05-11 13:54Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-908Use of Uninitialized ResourceBase
• CWE-665Improper InitializationClass

Data version

5.2

Document digest

8ef080bbf2d711503aa1c8a2db9fc7c13138459a3bea294c97222b01a2c50400

• git.kernel.orghttps://git.kernel.org/stable/c/60ad4cde0ad28921f9ea25b0201c774b95ffa4b4
• git.kernel.orghttps://git.kernel.org/stable/c/17063cac4088b8e2fc0f633abddca5426ed58312
• git.kernel.orghttps://git.kernel.org/stable/c/97aeed72af4f83ae51534f0a2473ff52f8d66236
• git.kernel.orghttps://git.kernel.org/stable/c/75099439209d3cda439a1d9b00d19a50f0066fef
• git.kernel.orghttps://git.kernel.org/stable/c/2e5a20573a926302b233b0c2e1077f5debc7ab2e