CVE-2021-47260

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 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

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

2024-05-21 14:19Z2 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-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

d8d9ba3f4a8ad95b797b8a0477478c090eba11b814b38cd9e94745aa5395f444

• git.kernel.orghttps://git.kernel.org/stable/c/fab8bfdfb4aac9e4e8363666333adfdf21e89106
• git.kernel.orghttps://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00
• git.kernel.orghttps://git.kernel.org/stable/c/634f17ff1d59905eb3b4bbbc00805961d08beaee
• git.kernel.orghttps://git.kernel.org/stable/c/4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502
• git.kernel.orghttps://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b
• git.kernel.orghttps://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7
• git.kernel.orghttps://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1
• git.kernel.orghttps://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0