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CVE-2025-38498— do_change_type(): refuse to operate on unmounted/not ours mounts

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，该漏洞源于未检查挂载点所有权，可能导致权限问题。

CVSS 7.8 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 787937c4e373f1722c4343e5a5a4eb0f8543e589 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< c7d11fdf8e5db5f34a6c062c7e6ba3a0971879d2 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 432a171d60056489270c462e651e6c3a13f855b1 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 064014f7812744451d5d0592f3d2bcd727f2ee93 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 4f091ad0862b02dc42a19a120b7048de848561f8 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 9c1ddfeb662b668fff69c5f1cfdd9f5d23d55d23 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 19554c79a2095ddde850906a067915c1ef3a4114 affected
07b20889e3052c7e77d6a6a54e7e83446eb1ba84< 12f147ddd6de7382dad54812e65f3f08d05809fc affected
… +10 more rows
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I. Basic Information for CVE-2025-38498

Vulnerability Information
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Vulnerability Title
do_change_type(): refuse to operate on unmounted/not ours mounts
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: do_change_type(): refuse to operate on unmounted/not ours mounts Ensure that propagation settings can only be changed for mounts located in the caller's mount namespace. This change aligns permission checking with the rest of mount(2).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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，该漏洞源于未检查挂载点所有权，可能导致权限问题。
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 07b20889e3052c7e77d6a6a54e7e83446eb1ba84 ~ 787937c4e373f1722c4343e5a5a4eb0f8543e589 -
Linux Linux 2.6.15 -

II. Public POCs for CVE-2025-38498

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III. Intelligence Information for CVE-2025-38498

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IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38498

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