Description
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Add validation for node in acpi_ns_build_normalized_path() Add validation for node in acpi_ns_build_normalized_path() to prevent use-after-free vulnerabilities.
References7
- git.kernel.org/stable/c/087eed8b347e14864f8806fa1f5976c7dc2c6792
- git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b
- git.kernel.org/stable/c/26dd27000e9540fcb594f15010b0696b03b0d240
- git.kernel.org/stable/c/90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70
- git.kernel.org/stable/c/96b2b616870e46e2bc04efec03879683a0036e66
- git.kernel.org/stable/c/b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2
- git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61
Metrics
- CVSS 3.1
-
7.7
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - EPSS — exploit probability
- 0% percentile: 3 · as of 9 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.