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CVE-2026-31410— ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

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，该漏洞源于未使用卷UUID，可能导致提供不适当的文件系统标识符。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.16% · P5

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9< ce00616bc1df675bfdacc968f2bf7c51f4669227 affected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9< 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a affected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9< c283a6ffe6d5d6e5594d991286b9ce15951572e1 affected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9< 3a64125730cabc34fccfbc230c2667c2e14f7308 affected
5.15 affected
< 5.15 unaffected
6.12.78≤ 6.12.* unaffected
6.18.20≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-31410

Vulnerability Information
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Vulnerability Title
ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION Use sb->s_uuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.f_fsid obtained from vfs_statfs().
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，该漏洞源于未使用卷UUID，可能导致提供不适当的文件系统标识符。
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 e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 ~ ce00616bc1df675bfdacc968f2bf7c51f4669227 -
Linux Linux 5.15 -

II. Public POCs for CVE-2026-31410

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III. Intelligence Information for CVE-2026-31410

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Same Patch Batch · Linux · 2026-04-06 · 6 CVEs total

CVE-2026-31405 9.8 CRITICAL media: dvb-net: fix OOB access in ULE extension header tables
CVE-2026-31408 8.8 HIGH Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold
CVE-2026-31409 8.8 HIGH ksmbd: unset conn->binding on failed binding request
CVE-2026-31406 7.8 HIGH xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini()
CVE-2026-31407 7.1 HIGH netfilter: conntrack: add missing netlink policy validations

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-31410

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