CVE-2018-8822

HIGH
7.8
CVSS Score
Published: March 20, 2018 at 12:00 AM UTC
Updated: June 17, 2026 at 02:05 AM UTC
3 products affected across 3 vendorsLinux KernelDebian LinuxUbuntu Linux

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.5%

Description

Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.12 ≤ v < 3.2.1023.17 ≤ v < 3.18.1033.19 ≤ v < 4.1.523.3 ≤ v < 3.16.574.10 ≤ v < 4.14.314.15 ≤ v < 4.15.144.2 ≤ v < 4.4.1254.5 ≤ v < 4.9.914.16 rc4.16 rc14.16 rc24.16 rc34.16 rc44.16 rc54.16 rc6
Affected range stops below 3.16.57, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.103, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.102, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.52, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.14.31, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.15.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.125, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.91, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (14)

VDB EntryBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/103476
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
Vendor AdvisoryThird Party Advisory
https://usn.ubuntu.com/3653-1/
Vendor AdvisoryThird Party Advisory
https://usn.ubuntu.com/3653-2/
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3654-1/
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3654-2/
Vendor AdvisoryThird Party Advisory
https://usn.ubuntu.com/3655-1/

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card