CVE-2025-40363

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

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

EPSS percentile

Ranks above 11.0% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

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

2025-12-16 13:40Z8 MO AGO

Last updated

2026-06-16 19:57Z2 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

5276ba49235535cb22d8e4232393740de3d9b5a39d1f105187dcdaf2b3705c59

• git.kernel.orghttps://git.kernel.org/stable/c/2da805a61ef5272a2773775ce14c3650adb84248
• git.kernel.orghttps://git.kernel.org/stable/c/9bf27de51bd6db5ff827780ec0eba55de230ba45
• git.kernel.orghttps://git.kernel.org/stable/c/0bf756ae1e69fec5e6332c37830488315d6d771b
• git.kernel.orghttps://git.kernel.org/stable/c/75b16b2755e12999ad850756ddfb88ad4bfc7186
• git.kernel.orghttps://git.kernel.org/stable/c/f28dde240160f3c48a50d641d210ed6a3b9596ed
• git.kernel.orghttps://git.kernel.org/stable/c/c14cf41094136691c92ef756872570645d61f4a1
• git.kernel.orghttps://git.kernel.org/stable/c/b056f971bd72b373b7ae2025a8f3bd18f69653d3
• git.kernel.orghttps://git.kernel.org/stable/c/2327a3d6f65ce2fe2634546dde4a25ef52296fec