CVE-2021-47372

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 15.5% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/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 15:03Z2 YR AGO

Last updated

2026-05-11 13:53Z3 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-416Use After FreeVariant

Data version

5.2

Document digest

76424db014e5f0d26917caf751784fef167032b023427d202118d31b478387c5

• git.kernel.orghttps://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536
• git.kernel.orghttps://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b
• git.kernel.orghttps://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e
• git.kernel.orghttps://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b
• git.kernel.orghttps://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5
• git.kernel.orghttps://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8