CVE-2023-53257

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 ImpacttotalSuccessful exploitation gives total 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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.1% 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

2025-09-15 14:46Z11 MO AGO

Last updated

2026-08-05 09:13Z1 MO AGO

Reserved

2025-09-15

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

78cc4b1aca7adc64cfbe6aa553af1fc6d938e162562c42b85d768778b0f0a20c

• git.kernel.orghttps://git.kernel.org/stable/c/fedd9377dd9c71a950d432fbe1628eebfbed70a1
• git.kernel.orghttps://git.kernel.org/stable/c/7ae7a1378a119780c8c17a6b5fc03011c3bb7029
• git.kernel.orghttps://git.kernel.org/stable/c/5e030a2509be72b452b6f4a800786d43229414db
• git.kernel.orghttps://git.kernel.org/stable/c/19e4a47ee74718a22e963e8a647c8c3bfe8bb05c