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.
References (4)
Core 4
Core References
Issue Tracking, Patch x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3a
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/102009
Issue Tracking x_refsource_confirm
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10
Patch x_refsource_confirm
https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3a
Scores
CVSS v3
7.8
EPSS
0.0005
EPSS Percentile
15.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (1)
linux/linux_kernel
4.7 - 4.9.46
Published
Nov 29, 2017
Tracked Since
Feb 18, 2026