CVE-2021-46936

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

Equal to or higher than the score of 15.6% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

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

2024-02-27 09:44Z2 YR AGO

Last updated

2026-08-05 08:45Z2 MO AGO

Reserved

2024-02-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

ba148e137490a7c4a976ad265d51c722b478b38809bba6b21208881eb5b742bf

• git.kernel.orghttps://git.kernel.org/stable/c/15579e1301f856ad9385d720c9267c11032a5022
• git.kernel.orghttps://git.kernel.org/stable/c/e73164e89d1be561228a4534e1091369ee4ba41a
• git.kernel.orghttps://git.kernel.org/stable/c/5c2fe20ad37ff56070ae0acb34152333976929b4
• git.kernel.orghttps://git.kernel.org/stable/c/a8e1944b44f94f5c5f530e434c5eaee787254566
• git.kernel.orghttps://git.kernel.org/stable/c/fe5838c22b986c1190f1dce9aa09bf6a491c1a69
• git.kernel.orghttps://git.kernel.org/stable/c/2386e81a1d277f540e1285565c9d41d531bb69d4
• git.kernel.orghttps://git.kernel.org/stable/c/08eacbd141e2495d2fcdde84358a06c4f95cbb13
• git.kernel.orghttps://git.kernel.org/stable/c/e22e45fc9e41bf9fcc1e92cfb78eb92786728ef0