CVE-2026-46231

MEDIUM EPSS 2.1%
Published May 28, 20261mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 28, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadv_bla_add_claim() fails to insert a new claim into the hash, it leaked a reference to the backbone_gw for which the claim was intended. Call batadv_backbone_gw_put() on the error path to release the reference and avoid leaking the backbone_gw object.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel*≥3.16.39  –  <3.17
linuxlinux_kernel*≥4.4.217  –  <4.5
linuxlinux_kernel*≥4.7.1  –  <5.10.258
linuxlinux_kernel*≥5.11  –  <5.15.209
linuxlinux_kernel*≥5.16  –  <6.1.175
linuxlinux_kernel*≥6.2  –  <6.6.140
linuxlinux_kernel*≥6.7  –  <6.12.90
linuxlinux_kernel*≥6.13  –  <6.18.32
linuxlinux_kernel*≥6.19  –  <7.0.9
linuxlinux_kernel4.7any
linuxlinux_kernel7.1any
linuxlinux_kernel7.1any
linuxlinux_kernel7.1any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd
    Patch