CVE-2021-46966

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.9% 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

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

2024-02-27 18:47Z2 YR AGO

Last updated

2026-05-23 15:18Z3 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

3c2d13bcae0dc1e63ed35632746f36e68c7682ece081e7fe3dca8343b0a8358a

• git.kernel.orghttps://git.kernel.org/stable/c/1d53ca5d131074c925ce38361fb0376d3bf7e394
• git.kernel.orghttps://git.kernel.org/stable/c/8b04d57f30caf76649d0567551589af9a66ca9be
• git.kernel.orghttps://git.kernel.org/stable/c/90575d1d9311b753cf1718f4ce9061ddda7dfd23
• git.kernel.orghttps://git.kernel.org/stable/c/a5b26a2e362f572d87e9fd35435680e557052a17
• git.kernel.orghttps://git.kernel.org/stable/c/72814a94c38a33239793f7622cec6ace1e540c4b
• git.kernel.orghttps://git.kernel.org/stable/c/62dc2440ebb552aa0d7f635e1697e077d9d21203
• git.kernel.orghttps://git.kernel.org/stable/c/f16737caf41fc06cfe6e49048becb09657074d4b
• git.kernel.orghttps://git.kernel.org/stable/c/b7a5baaae212a686ceb812c32fceed79c03c0234
• git.kernel.orghttps://git.kernel.org/stable/c/e483bb9a991bdae29a0caa4b3a6d002c968f94aa