CVEvulnerability
CVE-2026-43125
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-05-06
- Last modified
- 2026-10-21
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-130, CWE-787
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.
Affected configurations
• linux linux kernel (>= 3.4 < 6.12.75)
• linux linux kernel (>= 6.13 < 6.18.16)
• linux linux kernel (>= 6.19 < 6.19.6)
Related
References
- https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882 Patch
- https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6 Patch
- https://git.kernel.org/stable/c/2deafd015ea9a0e75ee5764e20eb1e16bd73efd8 git.kernel.org
- https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438 Patch
- https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71 Patch
- https://access.redhat.com/errata/RHSA-2026:25120 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:25121 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:25217 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:33899 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:33900 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:34094 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:34095 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:35844 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:35863 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:36767 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41236 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55761 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55762 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55763 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55837 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:56224 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:56225 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:59091 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-43125 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2467234 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43125.json security.access.redhat.com