CVE-2026-43125

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWEs

CWE-787, CWE-130

Published

2026-05-06

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882
• https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6
• https://git.kernel.org/stable/c/2deafd015ea9a0e75ee5764e20eb1e16bd73efd8
• https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438
• https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71

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