CVE-2021-47180

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

Equal to or higher than the score of 13.1% 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

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

2024-03-25 09:16Z2 YR AGO

Last updated

2026-05-11 13:49Z5 MO AGO

Reserved

2024-03-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

3e9548d2d04189eb5d8c0a1f3b7e488258d24811b54b1d468327c427b11cc0e9

• git.kernel.orghttps://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1
• git.kernel.orghttps://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8
• git.kernel.orghttps://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74
• git.kernel.orghttps://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef
• git.kernel.orghttps://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7
• git.kernel.orghttps://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745
• git.kernel.orghttps://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd
• git.kernel.orghttps://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b