CVE-2021-47169

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

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

2024-03-25 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-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

4ca2212a3eb36538ba47806b3224b202e5418939425327edb6a6f21e0a2880f8

• git.kernel.orghttps://git.kernel.org/stable/c/1e04d5d5fe5e76af68f834e1941fcbfa439653be
• git.kernel.orghttps://git.kernel.org/stable/c/c697244ce940ec07e2d745ccb63ca97fc0266fbc
• git.kernel.orghttps://git.kernel.org/stable/c/1cc57cb32c84e059bd158494f746b665fc14d1b1
• git.kernel.orghttps://git.kernel.org/stable/c/35265552c7fe9553c75e324c80f45e28ff14eb6e
• git.kernel.orghttps://git.kernel.org/stable/c/915452f40e2f495e187276c4407a4f567ec2307e
• git.kernel.orghttps://git.kernel.org/stable/c/6a931ceb0b9401fe18d0c500e08164bf9cc7be4b
• git.kernel.orghttps://git.kernel.org/stable/c/9b07b6973f7359e2dd6a9fe6db0c142634c823b7
• git.kernel.orghttps://git.kernel.org/stable/c/016002848c82eeb5d460489ce392d91fe18c475c