CVE-2021-47460

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.5% 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

Moderate. 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

2024-05-22 06:23Z2 YR AGO

Last updated

2026-05-23 15:20Z3 MO AGO

Reserved

2024-05-22

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.2

Document digest

160d6c51e56ee7b95e068062902760501a8fadcd0a8ebc065bb1de1fad8a4a3e

• git.kernel.orghttps://git.kernel.org/stable/c/560edd14de2bf9dbc0129681eeb4d5ef87cc105f
• git.kernel.orghttps://git.kernel.org/stable/c/8e6bfb4f70168ddfd32fb6dc028ad52faaf1f32e
• git.kernel.orghttps://git.kernel.org/stable/c/a3a089c241cd49b33a8cdd7fcb37cc87a086912a
• git.kernel.orghttps://git.kernel.org/stable/c/b05caf023b14cbed9223bb5b48ecc7bffe38f632
• git.kernel.orghttps://git.kernel.org/stable/c/f1b98569e81c37d7e0deada7172f8f60860c1360
• git.kernel.orghttps://git.kernel.org/stable/c/fa9b6b6c953e3f6441ed6cf83b4c771dac2dae08
• git.kernel.orghttps://git.kernel.org/stable/c/5314454ea3ff6fc746eaf71b9a7ceebed52888fa