7.1
HIGH CVSS 3.1
CVE-2025-39687
iio: light: as73211: Ensure buffer holes are zeroed
Description

In the Linux kernel, the following vulnerability has been resolved: iio: light: as73211: Ensure buffer holes are zeroed Given that the buffer is copied to a kfifo that ultimately user space can read, ensure we zero it.

INFO

Published Date :

Sept. 5, 2025, 6:15 p.m.

Last Modified :

Jan. 27, 2026, 4:29 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-39687 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Zero buffer memory before copying to prevent potential memory corruption issues.
  • Ensure buffer holes are zeroed before copying.
  • Apply kernel updates to incorporate the fix.
  • Validate memory handling in user-space accessible buffers.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-39687 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-39687 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-39687 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-39687 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 27, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.241 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.103 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.190 *cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.44 *cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.16.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.149
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/433b99e922943efdfd62b9a8e3ad1604838181f2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/83f14c4ca1ad78fcfb3e0de07d6d8a0c59550fc2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/8acd9a0eaa8c9a28e385c0a6a56bb821cb549771 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/99b508340d0d1b9de0856c48c77898b14c0df7cf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/cce55ca4e7a221d5eb2c0b757a868eacd6344e4a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d8c5d87a431596e0e02bd7fe3bff952b002a03bb Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fd441fd972067f80861a0b66605c0febb0d038dd Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Types: Third Party Advisory
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 05, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: iio: light: as73211: Ensure buffer holes are zeroed Given that the buffer is copied to a kfifo that ultimately user space can read, ensure we zero it.
    Added Reference https://git.kernel.org/stable/c/433b99e922943efdfd62b9a8e3ad1604838181f2
    Added Reference https://git.kernel.org/stable/c/83f14c4ca1ad78fcfb3e0de07d6d8a0c59550fc2
    Added Reference https://git.kernel.org/stable/c/8acd9a0eaa8c9a28e385c0a6a56bb821cb549771
    Added Reference https://git.kernel.org/stable/c/99b508340d0d1b9de0856c48c77898b14c0df7cf
    Added Reference https://git.kernel.org/stable/c/cce55ca4e7a221d5eb2c0b757a868eacd6344e4a
    Added Reference https://git.kernel.org/stable/c/d8c5d87a431596e0e02bd7fe3bff952b002a03bb
    Added Reference https://git.kernel.org/stable/c/fd441fd972067f80861a0b66605c0febb0d038dd
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact