PRIOn knowledge basePRION:CVE-2017-18202Design/Logic Flaw
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
24.7%
The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which 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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux_kernel | ge | 4.6 | |
| linux_kernel | lt | 4.9.68 | |
| linux_kernel | ge | 4.10 | |
| linux_kernel | lt | 4.14.4 |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf146
www.securityfocus.com/bid/103161
access.redhat.com/errata/RHSA-2018:2772
github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
Related
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
24.7%