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CVE-2026-74592
ima: Instantiate file_truncate and path_truncate hooks
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: ima: Instantiate file_truncate and path_truncate hooks Instantiate the file_truncate and path_truncate LSM hooks to reset the action cache flags (IMA_DONE_MASK) as soon as truncation is requested, so the file, based on policy, is re-collected, re-measured, re-audited, and re-appraised on next access.

Details
INFO

Published Date :

Aug. 22, 2026, 4:16 p.m.

Last Modified :

Aug. 22, 2026, 4:16 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2026-74592 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
Apply kernel updates to ensure file integrity checks are re-evaluated after truncation.
  • Update the Linux kernel to the latest version.
  • Reboot systems after applying the update.
  • Verify integrity measurement policy is correctly applied.
References
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-2026-74592.

URL Resource
https://git.kernel.org/stable/c/0baed1fa2184c81e4baf76f445d3faa4b738c8f7
https://git.kernel.org/stable/c/5f46705d96eb60587aa7035acfcbec977e08d620
https://git.kernel.org/stable/c/b80bed5c871a80151351342c065579405ce77145
https://git.kernel.org/stable/c/dd21c96a71e876c8df9ec546b885a2c5f47bbb05
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-74592 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-2026-74592 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-2026-74592 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-2026-74592 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. 22, 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': '1da177e4c3f41524e886b7f1b8a0c1fc7321cac2', 'lessThan': '5f46705d96eb60587aa7035acfcbec977e08d620', 'versionType': 'git'}, {'status': 'affected', 'version': '1da177e4c3f41524e886b7f1b8a0c1fc7321cac2', 'lessThan': 'dd21c96a71e876c8df9ec546b885a2c5f47bbb05', 'versionType': 'git'}, {'status': 'affected', 'version': '1da177e4c3f41524e886b7f1b8a0c1fc7321cac2', 'lessThan': '0baed1fa2184c81e4baf76f445d3faa4b738c8f7', 'versionType': 'git'}, {'status': 'affected', 'version': '1da177e4c3f41524e886b7f1b8a0c1fc7321cac2', 'lessThan': 'b80bed5c871a80151351342c065579405ce77145', 'versionType': 'git'}, {'status': 'affected', 'version': '0', 'lessThan': '6.12.104', 'versionType': 'semver'}, {'status': 'affected', 'version': '0', 'lessThan': '6.18.45', 'versionType': 'semver'}, {'status': 'affected', 'version': '0', 'lessThan': '7.1.9', 'versionType': 'semver'}], 'programFiles': ['security/integrity/ima/ima_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'unaffected', 'version': '6.12.104', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.45', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.9', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['security/integrity/ima/ima_main.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: ima: Instantiate file_truncate and path_truncate hooks Instantiate the file_truncate and path_truncate LSM hooks to reset the action cache flags (IMA_DONE_MASK) as soon as truncation is requested, so the file, based on policy, is re-collected, re-measured, re-audited, and re-appraised on next access.
    Added Reference https://git.kernel.org/stable/c/0baed1fa2184c81e4baf76f445d3faa4b738c8f7
    Added Reference https://git.kernel.org/stable/c/5f46705d96eb60587aa7035acfcbec977e08d620
    Added Reference https://git.kernel.org/stable/c/b80bed5c871a80151351342c065579405ce77145
    Added Reference https://git.kernel.org/stable/c/dd21c96a71e876c8df9ec546b885a2c5f47bbb05
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.
CVSS
Vulnerability Scoring Details
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