CVE-2021-47054

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 14.7% 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

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

2024-02-29 22:37Z2 YR AGO

Last updated

2026-05-11 13:47Z5 MO AGO

Reserved

2024-02-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

71e89e98f387e0dc79f13d18367c064398d495bb99420545adccc2c426a2f350

• git.kernel.orghttps://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4
• git.kernel.orghttps://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391
• git.kernel.orghttps://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9
• git.kernel.orghttps://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8
• git.kernel.orghttps://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be
• git.kernel.orghttps://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c
• git.kernel.orghttps://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2
• git.kernel.orghttps://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8