CVE-2021-47065

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 14.4% 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

2024-02-29 22:37Z2 YR AGO

Last updated

2026-05-11 13:47Z3 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-129Improper Validation of Array IndexVariant
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.2

Document digest

c2a44ea4ff11bea4ed4891c07c9b9978747a93c02c57fd0e58b197927aeff383

• git.kernel.orghttps://git.kernel.org/stable/c/6b5aa0cf321c25f41e09a61c83ee4dc7ab9549cb
• git.kernel.orghttps://git.kernel.org/stable/c/95fb153c6027924cda3422120169d1890737f3a0
• git.kernel.orghttps://git.kernel.org/stable/c/5f3dbced8eaa5c9ed7d6943f3fea99f235a6516a
• git.kernel.orghttps://git.kernel.org/stable/c/9cd09722e18a08b6a3d68b8bccfac39ddc22434c
• git.kernel.orghttps://git.kernel.org/stable/c/2ff25985ea9ccc6c9af2c77b0b49045adcc62e0e