CVE-2025-38277

MEDIUM EPSS 5.2%
Published Jul 10, 202511mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 10, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: nand: ecc-mxic: Fix use of uninitialized variable ret If ctx->steps is zero, the loop processing ECC steps is skipped, and the variable ret remains uninitialized. It is later checked and returned, which leads to undefined behavior and may cause unpredictable results in user space or kernel crashes. This scenario can be triggered in edge cases such as misconfigured geometry, ECC engine misuse, or if ctx->steps is not validated after initialization. Initialize ret to zero before the loop to ensure correct and safe behavior regardless of the ctx->steps value. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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
5.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-908

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥5.18  –  <6.1.142
linuxlinux_kernel*≥6.2  –  <6.6.94
linuxlinux_kernel*≥6.7  –  <6.12.34
linuxlinux_kernel*≥6.13  –  <6.15.3
debiandebian_linux11.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/49482f4a39620f6afedcd3f6aa9e0d558b6a460b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d9d6e4be09472aa72953caca3dbefdc27846170
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7a23cc510ecaabab4f6df7e9d910d16e279b72ad
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a0d9d9b5a4634e146ae41cb25667322e5c7d74d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d95846350aac72303036a70c4cdc69ae314aa26d
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/49482f4a39620f6afedcd3f6aa9e0d558b6a460b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d9d6e4be09472aa72953caca3dbefdc27846170
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7a23cc510ecaabab4f6df7e9d910d16e279b72ad
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a0d9d9b5a4634e146ae41cb25667322e5c7d74d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d95846350aac72303036a70c4cdc69ae314aa26d
    Patch