CVE-2026-43125CRITICAL 9.8EPSS p41.2%

CVE-2026-43125CVE-2026-43125

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.54% probability of exploitation · percentile 41.2% · 2026-06-18T12:00:27Z
Published2026-05-06
Last modified2026-05-08

Underlying weaknesses· 1

CWE-787

References

  1. https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882
  2. https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6
  3. https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438
  4. https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71

1

TypeTargetConfidenceTier
WeaknessOut-of-bounds Writecwe-7870%live

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