CVE-2025-38702

HIGH EPSS 7.1%
Published Sep 4, 20259mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 4, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: fix potential buffer overflow in do_register_framebuffer() The current implementation may lead to buffer overflow when: 1. Unregistration creates NULL gaps in registered_fb[] 2. All array slots become occupied despite num_registered_fb < FB_MAX 3. The registration loop exceeds array bounds Add boundary check to prevent registered_fb[FB_MAX] access.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
7.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel*≥2.6.12.1  –  <6.1.149
linuxlinux_kernel*≥6.2  –  <6.6.103
linuxlinux_kernel*≥6.7  –  <6.12.43
linuxlinux_kernel*≥6.13  –  <6.15.11
linuxlinux_kernel*≥6.16  –  <6.16.2
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
debiandebian_linux11.0any

References 9

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-032379.html
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-082556.html
  • git.kernel.org https://git.kernel.org/stable/c/248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2828a433c7d7a05b6f27c8148502095101dd0b09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/523b84dc7ccea9c4d79126d6ed1cf9033cf83b05
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5c3f5a25c62230b7965804ce7a2e9305c3ca3961
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/806f85bdd3a60187c21437fc51baace11f659f35
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cbe740de32bb0fb7a5213731ff5f26ea6718fca3
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2828a433c7d7a05b6f27c8148502095101dd0b09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/523b84dc7ccea9c4d79126d6ed1cf9033cf83b05
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5c3f5a25c62230b7965804ce7a2e9305c3ca3961
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/806f85bdd3a60187c21437fc51baace11f659f35
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cbe740de32bb0fb7a5213731ff5f26ea6718fca3
    Patch