CVE-2026-31752

MEDIUM EPSS 2.4%
Published May 1, 20262mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 1, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: validate ND option lengths br_nd_send() walks ND options according to option-provided lengths. A malformed option can make the parser advance beyond the computed option span or use a too-short source LLADDR option payload. Validate option lengths against the remaining NS option area before advancing, and only read source LLADDR when the option is large enough for an Ethernet address.

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
2.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel*≥4.15  –  <5.10.253
linuxlinux_kernel*≥5.11  –  <5.15.203
linuxlinux_kernel*≥5.16  –  <6.1.168
linuxlinux_kernel*≥6.2  –  <6.6.134
linuxlinux_kernel*≥6.7  –  <6.12.81
linuxlinux_kernel*≥6.13  –  <6.18.22
linuxlinux_kernel*≥6.19  –  <6.19.12
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/259466f76f5a2148aff11134e68f4b4c6d52725b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/82a42eceec7c6bdb0e0da94c0542a173b7ea57f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/837392a38445729c22e03d3abcf33f07763efd85
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/850837965af15707fd3142c1cf3c5bfaf022299b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c49b9256bbacb6a135654aebd12e4c0e87166b7c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e0bfd6d4dc77ab345b6c65eef0cfe9b2f69085aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e71303a9190496136e240c4f2872b7b0b16027a7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ee02d8991fd7bd86ed6ebd0deb4aab53feb0e43a
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/259466f76f5a2148aff11134e68f4b4c6d52725b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/82a42eceec7c6bdb0e0da94c0542a173b7ea57f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/837392a38445729c22e03d3abcf33f07763efd85
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/850837965af15707fd3142c1cf3c5bfaf022299b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c49b9256bbacb6a135654aebd12e4c0e87166b7c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e0bfd6d4dc77ab345b6c65eef0cfe9b2f69085aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e71303a9190496136e240c4f2872b7b0b16027a7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ee02d8991fd7bd86ed6ebd0deb4aab53feb0e43a
    Patch