CVE-2017-18202

low-risk
Published 2018-02-27

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.

Do I need to act?

-
0.10% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Linux

References (10)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0...
Third Party Advisory http://www.securityfocus.com/bid/103161
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2772
Patch https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf14...
Vendor Advisory https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0...
Third Party Advisory http://www.securityfocus.com/bid/103161
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2772
Patch https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf14...
Vendor Advisory https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal