What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-22 · updated 2026-10-16

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.

Affected products

• Linux kernel: 2.6.30 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• 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

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