CVE-2025-40300

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 27.3% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-14.

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

2025-09-11 16:49Z11 MO AGO

Last updated

2026-07-14 12:43Z1 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-402Transmission of Private Resources into a New Sphere ('Resource Leak')Class

Data version

5.2

Document digest

de66c56f34d3342f23295afd239c638286137ad018957b6f8282247188d00b61

• git.kernel.orghttps://git.kernel.org/stable/c/ac60717f9a8d21c58617d0b34274babf24135835
• git.kernel.orghttps://git.kernel.org/stable/c/c08192b5d6730a914dee6175bc71092ee6a65f14
• git.kernel.orghttps://git.kernel.org/stable/c/d5490dfa35427a2967e00a4c7a1b95fdbc8ede34
• git.kernel.orghttps://git.kernel.org/stable/c/2f4f2f8f860cb4c3336a7435ebe8dcfded0c9c6e
• git.kernel.orghttps://git.kernel.org/stable/c/15006289e5c38b2a830e1fba221977a27598176c
• git.kernel.orghttps://git.kernel.org/stable/c/893387c18612bb452336a5881da0d015a7e8f4a2
• git.kernel.orghttps://git.kernel.org/stable/c/f866eef8d1c65504d30923c3f14082ad294d0e6d
• git.kernel.orghttps://git.kernel.org/stable/c/34e5667041050711a947e260fc9ebebe08bddee5
• git.kernel.orghttps://git.kernel.org/stable/c/d7ddc93392e4a7ffcccc86edf6ef3e64c778db52
• git.kernel.orghttps://git.kernel.org/stable/c/459274c77b37ac63b78c928b4b4e748d1f9d05c8
• git.kernel.orghttps://git.kernel.org/stable/c/510603f504796c3535f67f55fb0b124a303b44c8
• git.kernel.orghttps://git.kernel.org/stable/c/9c23a90648e831d611152ac08dbcd1283d405e7f
• git.kernel.orghttps://git.kernel.org/stable/c/2f8f173413f1cbf52660d04df92d0069c4306d25
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/14/3
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/14/4
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/14/6
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/17/2
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/17/3
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-032379.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html