CVE-2026-74330
configfs: fix lockless traversals of ->s_children
Description
In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of ->s_children Having the parent directory locked protects entries from removal by another thread, but it does *not* protect cursors from being moved around by lseek() - or freed, for that matter.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 15, 2026, 6:22 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-74330
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
- Apply the patch resolving the configfs lockless traversal issue.
- Update the Linux kernel to the patched version.
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-2026-74330.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74330 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-2026-74330
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-2026-74330 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74330 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.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 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': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '77fd6f50f633a52c2db061e7d71d8cb486b0265e', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '91f289728ec706b7ff1ca0ee845dd73ff2253488', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': 'b166ab78dc3f48e83d2c80bdfde4159b31fdc5fb', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '9e57e2863872e82e7c7237bc32299f67ebebc543', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '459860529c109c5ce08b81c0776ca1200eaaeb4a', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '637ef4961470e04455102b34ac484a34d8eca0a4', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': 'e6d93108e0a27d7e6f95c7e45017d14ba2900d32', 'versionType': 'git'}, {'status': 'affected', 'version': '6f61076406251626be39651d114fac412b1e0c39', 'lessThan': '9b9e8bb81c41fd27e7b57a1c936fde140548535f', 'versionType': 'git'}], 'programFiles': ['fs/configfs/dir.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.27'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.27', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['fs/configfs/dir.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of ->s_children Having the parent directory locked protects entries from removal by another thread, but it does *not* protect cursors from being moved around by lseek() - or freed, for that matter. Added Reference https://git.kernel.org/stable/c/459860529c109c5ce08b81c0776ca1200eaaeb4a Added Reference https://git.kernel.org/stable/c/637ef4961470e04455102b34ac484a34d8eca0a4 Added Reference https://git.kernel.org/stable/c/77fd6f50f633a52c2db061e7d71d8cb486b0265e Added Reference https://git.kernel.org/stable/c/91f289728ec706b7ff1ca0ee845dd73ff2253488 Added Reference https://git.kernel.org/stable/c/9b9e8bb81c41fd27e7b57a1c936fde140548535f Added Reference https://git.kernel.org/stable/c/9e57e2863872e82e7c7237bc32299f67ebebc543 Added Reference https://git.kernel.org/stable/c/b166ab78dc3f48e83d2c80bdfde4159b31fdc5fb Added Reference https://git.kernel.org/stable/c/e6d93108e0a27d7e6f95c7e45017d14ba2900d32