CVE-2017-18202
kernel: Infoleak/use-after-free in __oom_reap_task_mm function in mm/oom_kill.c
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · February 27, 2018
Updated · June 28, 2026
Description
The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel, before 4.14.4, mishandles gather operations. This allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.7CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer