CVE-2025-40253

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.2% 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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

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

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

2025-12-04 16:08Z9 MO AGO

Last updated

2026-08-05 12:08Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

8a3a1b1e013fffc24b875943863ff7235b730fb68f44277397a13088c292b184

• git.kernel.orghttps://git.kernel.org/stable/c/06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2
• git.kernel.orghttps://git.kernel.org/stable/c/6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a
• git.kernel.orghttps://git.kernel.org/stable/c/7616e2eee679746d526c7f5befd4eedb995935b5
• git.kernel.orghttps://git.kernel.org/stable/c/43096dab8cc60fc39133205fd149a54d3acebea8
• git.kernel.orghttps://git.kernel.org/stable/c/3b177b2ded563df16f6d5920671ffcfe5915d472
• git.kernel.orghttps://git.kernel.org/stable/c/b9dbfb1b5699f9f1e4991f96741bdf9047147589
• git.kernel.orghttps://git.kernel.org/stable/c/7ff76f8dc6b550f8d16487bf3cebc278be720b5c
• git.kernel.orghttps://git.kernel.org/stable/c/da02a1824884d6c84c5e5b5ac373b0c9e3288ec2