CVE-2025-40273

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-07-30.

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

2025-12-06 21:50Z9 MO AGO

Last updated

2026-08-05 12:09Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-672Operation on a Resource after Expiration or ReleaseClass

Data version

5.2

Document digest

87348104aaee405893150cca6ffb10771603d3ed2d4b94c8c7f40af6f1e7f84f

• git.kernel.orghttps://git.kernel.org/stable/c/935a2dc8928670bb2c37e21025331e61ec48ccf4
• git.kernel.orghttps://git.kernel.org/stable/c/b114996a095da39e38410a0328d4a8aca8c36088
• git.kernel.orghttps://git.kernel.org/stable/c/839f56f626723f36904764858467e7a3881b975d
• git.kernel.orghttps://git.kernel.org/stable/c/29fbb3ad4018ca2b0988fbac76f4c694cc6d7e66
• git.kernel.orghttps://git.kernel.org/stable/c/d7be15a634aa3874827d0d3ea47452ee878b8df7
• git.kernel.orghttps://git.kernel.org/stable/c/f67ad9b33b0e6f00d2acc67cbf9cfa5c756be5fb
• git.kernel.orghttps://git.kernel.org/stable/c/4aa17144d5abc3c756883e3a010246f0dba8b468