CVE-2022-50666

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.72% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. 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

2025-12-09 01:29Z8 MO AGO

Last updated

2026-08-05 08:59Z1 MO AGO

Reserved

2025-12-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

5125ed6283d92d5ad8a8f91b22bfa14617f8f382a362d8764cc61479c64dca3e

• git.kernel.orghttps://git.kernel.org/stable/c/5c75d608fad58301b63e7d69200c13c3a1d411da
• git.kernel.orghttps://git.kernel.org/stable/c/74ad141e995a730760b1bcfa14854b7f1057d6bc
• git.kernel.orghttps://git.kernel.org/stable/c/0ed8bf9d0bb19f3f5eedd73f04aaf5bba9ac0737
• git.kernel.orghttps://git.kernel.org/stable/c/a3c278807a459e6f50afee6971cabe74cccfb490