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CVE-2026-23145
ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref
Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.

INFO

Published Date :

Feb. 14, 2026, 4:15 p.m.

Last Modified :

Feb. 14, 2026, 4:15 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2026-23145 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
: Total Affected Vendor : 1 | Products : 1
Solution
Address a reference count leak in ext4_xattr_inode_update_ref by ensuring iloc.bh is released.
  • Apply the patch for the ext4_xattr_inode_update_ref bug.
  • Update the Linux kernel to the corrected version.
  • Verify that the iloc.bh reference count is managed correctly.
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-2026-23145.

URL Resource
https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e
https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc
https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626
https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7
https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f
https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1
https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-23145 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-2026-23145 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-2026-23145 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-23145 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

    Feb. 14, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.
    Added Reference https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e
    Added Reference https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc
    Added Reference https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626
    Added Reference https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7
    Added Reference https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f
    Added Reference https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1
    Added Reference https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868
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
No CVSS metrics available for this vulnerability.