CVE-2026-43125
dlm: validate length in dlm_search_rsb_tree
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 6, 2026 |
| Last Updated | May 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
7210cb7a72a22303cdb225bd1aea28697a17bbae < 67288113c5e6cf9e659b4065c0ed6f16100e0c71 7210cb7a72a22303cdb225bd1aea28697a17bbae < 082083c9fbd99422a0370fe2102144a231c9f5d6 7210cb7a72a22303cdb225bd1aea28697a17bbae < 5f053a2e7209d326cbbc07738fa6d6893d307438 7210cb7a72a22303cdb225bd1aea28697a17bbae < 080e5563f878c64e697b89e7439d730d0daad882
Linux / Linux
3.4
References
git.kernel.org: https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71 git.kernel.org: https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6 git.kernel.org: https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438 git.kernel.org: https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882