CVE-2021-47288

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

Ranks above 14.5% of scored records. A rank, not a probability.

NVD base score

7.1 (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: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 14:34Z2 YR AGO

Last updated

2026-05-11 13:51Z3 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-125Out-of-bounds ReadBase

Data version

5.2

Document digest

c4ba8ee00e2b5ada1f667dcf9900be2cad086224cb1dcb086a2e0b766488b6ac

• git.kernel.orghttps://git.kernel.org/stable/c/4487b968e5eacd02c493303dc2b61150bb7fe4b2
• git.kernel.orghttps://git.kernel.org/stable/c/c6ddeb63dd543b5474b0217c4e47538b7ffd7686
• git.kernel.orghttps://git.kernel.org/stable/c/e818f2ff648581a6c553ae2bebc5dcef9a8bb90c
• git.kernel.orghttps://git.kernel.org/stable/c/ec731c6ef564ee6fc101fc5d73e3a3a953d09a00
• git.kernel.orghttps://git.kernel.org/stable/c/e617fa62f6cf859a7b042cdd6c73af905ff8fca3
• git.kernel.orghttps://git.kernel.org/stable/c/e991457afdcb5f4dbc5bc9d79eaf775be33e7092
• git.kernel.orghttps://git.kernel.org/stable/c/b9a178f189bb6d75293573e181928735f5e3e070
• git.kernel.orghttps://git.kernel.org/stable/c/8d4abca95ecc82fc8c41912fa0085281f19cc29f