CVE-2026-43125

CRITICAL

dlm: validate length in dlm_search_rsb_tree

Title source: cna
STIX 2.1

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.

References (17)

Core 17
Core References

Scores

CVSS v3 9.8
EPSS 0.0043
EPSS Percentile 34.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-130 CWE-787
Status published
Products (18)
linux/Kernel 3.4.0 - 6.12.75linux
linux/Kernel 6.13.0 - 6.18.16linux
linux/Kernel 6.19.0 - 6.19.6linux
Linux/Linux < 3.4
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 080e5563f878c64e697b89e7439d730d0daad882
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 082083c9fbd99422a0370fe2102144a231c9f5d6
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 5f053a2e7209d326cbbc07738fa6d6893d307438
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 67288113c5e6cf9e659b4065c0ed6f16100e0c71
Linux/Linux 3.4
Linux/Linux 6.12.75 - 6.12.*
... and 8 more
Published May 06, 2026
Tracked Since May 06, 2026