Description
Race condition in kernel/ucount.c in the Linux kernel through 4.10.2 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls that leverage certain decrement behavior that causes incorrect interaction between put_ucounts and get_ucounts.
References (3)
Core 3
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=040757f738e13caaa9c5078bca79aa97e11dde88
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96856
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/040757f738e13caaa9c5078bca79aa97e11dde88
Scores
CVSS v3
7.0
EPSS
0.0009
EPSS Percentile
26.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
CWE-416
Status
published
Products (1)
linux/linux_kernel
4.9 - 4.9.16
Published
Mar 14, 2017
Tracked Since
Feb 18, 2026