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CVE-2025-37995— module: ensure that kobject_put() is safe for module type kobjects

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于模块类型kobjects的kobject_put操作不安全。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 942e443127e928a5631c3d5102aca8c8b3c2dd98< 93799fb988757cdacf19acba57807746c00378e6 affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< a63d99873547d8b39eb2f6db79dd235761e7098a affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< f1c71b4bd721a4ea21da408806964b10468623f2 affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< 9e7b49ce4f9d0cb5b6e87db9e07a2fb9e754b0dd affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< faa9059631d3491d699c69ecf512de9e1a3d6649 affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< d63851049f412cdfadaeef7a7eaef5031d11c1e9 affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< 31d8df3f303c3ae9115230820977ef8c35c88808 affected
942e443127e928a5631c3d5102aca8c8b3c2dd98< a6aeb739974ec73e5217c75a7c008a688d3d5cf1 affected
… +10 more rows
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I. Basic Information for CVE-2025-37995

Vulnerability Information
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Vulnerability Title
module: ensure that kobject_put() is safe for module type kobjects
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: module: ensure that kobject_put() is safe for module type kobjects In 'lookup_or_create_module_kobject()', an internal kobject is created using 'module_ktype'. So call to 'kobject_put()' on error handling path causes an attempt to use an uninitialized completion pointer in 'module_kobject_release()'. In this scenario, we just want to release kobject without an extra synchronization required for a regular module unloading process, so adding an extra check whether 'complete()' is actually required makes 'kobject_put()' safe.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于模块类型kobjects的kobject_put操作不安全。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 942e443127e928a5631c3d5102aca8c8b3c2dd98 ~ 93799fb988757cdacf19acba57807746c00378e6 -
Linux Linux 3.12 -

II. Public POCs for CVE-2025-37995

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III. Intelligence Information for CVE-2025-37995

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Patches & Fixes for CVE-2025-37995 (5)

Same Patch Batch · Linux · 2025-05-29 · 7 CVEs total

CVE-2025-37996 8.8 HIGH KVM: arm64: Fix uninitialized memcache pointer in user_mem_abort()
CVE-2025-37998 7.8 HIGH openvswitch: Fix unsafe attribute parsing in output_userspace()
CVE-2025-37997 7.8 HIGH netfilter: ipset: fix region locking in hash types
CVE-2025-37999 fs/erofs/fileio: call erofs_onlinefolio_split() after bio_add_folio()
CVE-2025-37994 usb: typec: ucsi: displayport: Fix NULL pointer access
CVE-2025-37993 can: m_can: m_can_class_allocate_dev(): initialize spin lock on device probe

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37995

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