CVE-2017-11472

The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel before 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 through 4.9) via a crafted ACPI table.

• CWE-755

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b2d69114fefa474fca542e51119036dceb4aa6fIssue Tracking, Patch, Third Party Advisory
• https://github.com/acpica/acpica/commit/a23325b2e583556eae88ed3f764e457786bf4df6Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/3b2d69114fefa474fca542e51119036dceb4aa6fIssue Tracking, Patch, Third Party Advisory
• https://usn.ubuntu.com/3619-1/
• https://usn.ubuntu.com/3619-2/
• https://usn.ubuntu.com/3754-1/
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b2d69114fefa474fca542e51119036dceb4aa6fIssue Tracking, Patch, Third Party Advisory
• https://github.com/acpica/acpica/commit/a23325b2e583556eae88ed3f764e457786bf4df6Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/3b2d69114fefa474fca542e51119036dceb4aa6fIssue Tracking, Patch, Third Party Advisory
• https://usn.ubuntu.com/3619-1/
• https://usn.ubuntu.com/3619-2/
• https://usn.ubuntu.com/3754-1/

Published

Jul 20, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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