CVE-2017-11472 | BDVDB-2026-87947 Detail
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3754-1/
- https://github.com/torvalds/linux/commit/3b2d69114fefa474fca542e51119036dceb4aa6f
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b2d69114fefa474fca542e51119036dceb4aa6f
- https://github.com/acpica/acpica/commit/a23325b2e583556eae88ed3f764e457786bf4df6
- https://usn.ubuntu.com/3619-1/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.