CVE-2026-68089
iio: core: fix uninitialized data in debugfs
Description
In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If *ppos is non-zero then simple_write_to_buffer() will not initialize the start of buf[]. Non zero values for *ppos aren't going to work anyway. Test for them at the start of the function and return -EINVAL.
INFO
Published Date :
Aug. 10, 2026, 12:17 p.m.
Last Modified :
Aug. 10, 2026, 12:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-68089
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.
No affected product recoded yet
Solution
- Validate input parameters to ensure they are initialized.
- Apply the kernel patch to fix the uninitialized data issue.
- Review related debugfs implementations for similar flaws.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-68089.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68089 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-2026-68089
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-2026-68089 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68089 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 10, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6d5dd486c715908b5a6ed02315a15ff044a91025', 'lessThan': 'e166a8cfb28a3d0da260dd70cae274eb8c7cec8d', 'versionType': 'git'}, {'status': 'affected', 'version': '6d5dd486c715908b5a6ed02315a15ff044a91025', 'lessThan': '89fbd3e32dffb6227f936a9578e6eb4632aa4580', 'versionType': 'git'}, {'status': 'affected', 'version': '6d5dd486c715908b5a6ed02315a15ff044a91025', 'lessThan': 'ab92ed206d41fd171ebd37bc46360d9f2140d043', 'versionType': 'git'}], 'programFiles': ['drivers/iio/industrialio-core.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.39', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.4', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/iio/industrialio-core.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If *ppos is non-zero then simple_write_to_buffer() will not initialize the start of buf[]. Non zero values for *ppos aren't going to work anyway. Test for them at the start of the function and return -EINVAL. Added Reference https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580 Added Reference https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043 Added Reference https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d