CVE-2017-17052 Information

Description

The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the -exe_file member of a new process’s mm_struct allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.

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=2b7e8665b4ff51c034c55df3cff76518d1a9ee3a http://www.securityfocus.com/bid/102009 https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3a https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10

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