CVE-2021-47619

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

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

2024-06-20 11:08Z2 YR AGO

Last updated

2026-05-11 13:58Z3 MO AGO

Reserved

2024-06-20

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
• CWE-170Improper Null TerminationBase

Data version

5.2

Document digest

81ace5b4be2fd93fc8e49cabb4a5057fd923fc39d990350ef48d38366f2632b8

• git.kernel.orghttps://git.kernel.org/stable/c/d46fa4ea9756ef6cbcf9752d0832cc66e2d7121b
• git.kernel.orghttps://git.kernel.org/stable/c/be6998f232b8e4ca8225029e305b8329d89bfd59
• git.kernel.orghttps://git.kernel.org/stable/c/768eb705e6381f0c70ca29d4e66f19790d5d19a1
• git.kernel.orghttps://git.kernel.org/stable/c/00eddb0e4ea115154581d1049507a996acfc2d3e
• git.kernel.orghttps://git.kernel.org/stable/c/4b3aa858268b7b9aeef02e5f9c4cd8f8fac101c8
• git.kernel.orghttps://git.kernel.org/stable/c/92947844b8beee988c0ce17082b705c2f75f0742