CVE-2021-47345

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.6% 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-401Missing Release of Memory after Effective LifetimeVariant
• CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')Class

Data version

5.2

Document digest

708fb89a881f15c2ffb436a2653b56852bdd3c1804e56c2a1ad547791dd67a7e

• git.kernel.orghttps://git.kernel.org/stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b
• git.kernel.orghttps://git.kernel.org/stable/c/e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a
• git.kernel.orghttps://git.kernel.org/stable/c/e4e062da082a199357ba4911145f331d40139ad8
• git.kernel.orghttps://git.kernel.org/stable/c/4893c938f2a140a74be91779e45e4a7fa111198f
• git.kernel.orghttps://git.kernel.org/stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972
• git.kernel.orghttps://git.kernel.org/stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6
• git.kernel.orghttps://git.kernel.org/stable/c/f4f553d67236145fa5fd203ed7b35b9377e19939
• git.kernel.orghttps://git.kernel.org/stable/c/07583ba2e2d8947c3d365d97608cb436510885ac
• git.kernel.orghttps://git.kernel.org/stable/c/74f160ead74bfe5f2b38afb4fcf86189f9ff40c9