CVE-2021-47332

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 15.1% 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

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 14:35Z2 YR AGO

Last updated

2026-05-11 13:52Z3 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

8a48dbb5cce0f0b79ffa35a1c982204202222f83bf2fdcbea277ac088828027c

• git.kernel.orghttps://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19
• git.kernel.orghttps://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d
• git.kernel.orghttps://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a
• git.kernel.orghttps://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196
• git.kernel.orghttps://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f