Use-after-free error in Linux kernel - CVE-2018-10675

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Main Vulnerability Database Vulnerabilities #VU13023

Use-after-free error in Linux kernel - CVE-2018-10675

Published: May 28, 2018


Vulnerability identifier: #VU13023
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-10675
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the do_get_mempolicy function in mm/mempolicy.c due to use-after-free error. A local attacker can use specially crafted system calls, trigger memory corruption and cause the service to crash.


Affected software

Linux kernel
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux Server - Extended Update Support
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for IBM System z (Structure A)
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Power, little endian - Extended Update Support

MRG Realtime
kernel (Red Hat package)
kernel-rt (Red Hat package)
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Virtualization Host
Traffix SDC
BIG-IQ Centralized Management
BIG-IP LTM
BIG-IP Analytics
BIG-IP AFM
BIG-IP ASM
BIG-IP PEM
BIG-IP FPS
BIG-IP GTM
BIG-IP APM
BIG-IP DNS
BIG-IP AAM
BIG-IP Link Controller
BIG-IP DDHD
BIG-IP
BIG-IP SSLO
BIG-IP Advanced WAF

How to mitigate CVE-2018-10675

Update to version 4.12.9.

kernel (Red Hat package) - addressed in versions 2.6.32-358.93.1.el6, 2.6.32-431.93.2.el6, 2.6.32-504.76.2.el6, 2.6.32-573.65.2.el6, 2.6.32-754.2.1.el6, 3.10.0-327.76.1.el7, 3.10.0-514.58.1.el7, 3.10.0-693.43.1.el7, 3.10.0-862.11.6.el7
kernel-rt (Red Hat package) - addressed in versions 3.10.0-693.43.1.rt56.630.el6rt, 3.10.0-862.11.6.rt56.819.el7
Traffix SDC - update to 5.1.0 CF 22

External References

Related Security Bulletins