What’s Vulnerable › Vulnerabilities

CVE-2026-97452: ACPICA: Prevent adding invalid references

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-03

Description

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Prevent adding invalid references Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().

Affected products

• Linux kernel: 2.6.12 — 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/2350a6f89eca45f9219f37b331e4083f96299996
• https://git.kernel.org/stable/c/61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0
• https://git.kernel.org/stable/c/6e8c55e13a5e3a9f38921d62924f18ceba3330eb
• https://git.kernel.org/stable/c/a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba
• https://git.kernel.org/stable/c/c2cf936b07b0a298637e56e53ef043c7ff8eee31
• https://git.kernel.org/stable/c/d239ccf5069f892cc36b9befafda030b3ca789e6
• https://git.kernel.org/stable/c/e16d1e5fcb17dfc369e20095f8cf5e841101279e

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