CVE-2021-47602

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.0% 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

Modified. 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

2024-06-19 14:54Z2 YR AGO

Last updated

2026-05-11 13:57Z3 MO AGO

Reserved

2024-05-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-824Access of Uninitialized PointerBase
• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

dd65901bc2c72f8f372d8f48ed1a58b47908a697c20ef023800997e38f157068

• git.kernel.orghttps://git.kernel.org/stable/c/69f054d6642c8f6173724ce17e7ee3ff66b8f682
• git.kernel.orghttps://git.kernel.org/stable/c/46b9e29db2012a4d2a40a26101862e002ccf387b
• git.kernel.orghttps://git.kernel.org/stable/c/eed897a22230e3231a740eddd7d6d95ba476625f
• git.kernel.orghttps://git.kernel.org/stable/c/42d08e97b196479f593499e887a9ab81446a34b9
• git.kernel.orghttps://git.kernel.org/stable/c/d5e568c3a4ec2ddd23e7dc5ad5b0c64e4f22981a