CVE-2017-13694

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-08-25 · updated 2026-06-17
Weakness: CWE-200

Description

The acpi_ps_complete_final_op() function in drivers/acpi/acpica/psobject.c in the Linux kernel through 4.12.9 does not flush the node and node_ext caches and causes a kernel stack dump, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.

Affected products

Linux kernel: through 4.12.9

References

http://www.securityfocus.com/bid/100500
https://github.com/acpica/acpica/pull/278
https://github.com/acpica/acpica/pull/278/commits/4a0243ecb4c94e2d73510d096c5ea4d0711fc6c0
https://patchwork.kernel.org/patch/9806085/
http://www.securityfocus.com/bid/100500
https://github.com/acpica/acpica/pull/278/commits/4a0243ecb4c94e2d73510d096c5ea4d0711fc6c0
https://patchwork.kernel.org/patch/9806085/

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