Published: 20/07/2017 Updated: 03/10/2019

CVSS v2 Base Score: 3.6 | Impact Score: 4.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.1 | Impact Score: 5.2 | Exploitability Score: 1.8

VMScore: 320

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N

The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel prior to 4.12 does not flush the operand cache 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 up to and including 4.9) via a crafted ACPI table.

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linux linux kernel

Several security issues were fixed in the Linux kernel ...

The acpi_ns_terminate() function in drivers/acpi/acpica/nsutilsc in the Linux kernel before 412 does not flush the operand cache and causes a kernel stack dump A local users could obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 49) via a crafted ACPI table ...

CWE-755 https://github.com/torvalds/linux/commit/3b2d69114fefa474fca542e51119036dceb4aa6f https://github.com/acpica/acpica/commit/a23325b2e583556eae88ed3f764e457786bf4df6 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b2d69114fefa474fca542e51119036dceb4aa6f https://usn.ubuntu.com/3619-1/https://usn.ubuntu.com/3619-2/https://usn.ubuntu.com/3754-1/https://nvd.nist.gov https://usn.ubuntu.com/3619-2/

CVE-2017-11472

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