CVE-2021-46944

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 13.3% 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

2024-02-27 18:40Z2 YR AGO

Last updated

2026-05-11 13:44Z3 MO AGO

Reserved

2024-02-25

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

7dae6956a661b55c66fd00c1e40c9396d958b646845a30d0beff3815d5bbb149

• git.kernel.orghttps://git.kernel.org/stable/c/ff792ae52005c85a2d829c153e08d99a356e007d
• git.kernel.orghttps://git.kernel.org/stable/c/517f6f570566a863c2422b843c8b7d099474f6a9
• git.kernel.orghttps://git.kernel.org/stable/c/14d0e99c3ef6b0648535a31bf2eaabb4eff97b9e
• git.kernel.orghttps://git.kernel.org/stable/c/74ba0adb5e983503b18a96121d965cad34ac7ce3
• git.kernel.orghttps://git.kernel.org/stable/c/3630901933afba1d16c462b04d569b7576339223