CVE-2017-5547 Information

Description

drivers/hid/hid-corsair.c in the Linux kernel 4.9.x before 4.9.6 interacts incorrectly with the CONFIG_VMAP_STACK option which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6d104af38b570d37aa32a5803b04c354f8ed513d http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6 http://www.openwall.com/lists/oss-security/2017/01/21/3 http://www.securityfocus.com/bid/95709 https://bugzilla.redhat.com/show_bug.cgi?id=1416096 https://github.com/torvalds/linux/commit/6d104af38b570d37aa32a5803b04c354f8ed513d

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8