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CVE-2026-43125

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CVE-2026-43125

Published: May 6, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages. When it exceeds DLM_RESNAME_MAXLEN, it can cause out-of-bounds write in dlm_search_rsb_tree(). Add length validation to prevent potential buffer overflow.

VendorProductVersions

Linux

Linux

affected
7210cb7a72a22303cdb225bd1aea28697a17bbae - < 67288113c5e6cf9e659b4065c0ed6f16100e0c71
affected
7210cb7a72a22303cdb225bd1aea28697a17bbae - < 082083c9fbd99422a0370fe2102144a231c9f5d6
affected
7210cb7a72a22303cdb225bd1aea28697a17bbae - < 5f053a2e7209d326cbbc07738fa6d6893d307438
affected
7210cb7a72a22303cdb225bd1aea28697a17bbae - < 080e5563f878c64e697b89e7439d730d0daad882

Linux

Linux

affected
3.4
unaffected
0 - < 3.4
unaffected
6.12.75 - <= 6.12.*
unaffected
6.18.16 - <= 6.18.*
unaffected
6.19.6 - <= 6.19.*

+1 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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