Memory corruption in Linux kernel - CVE-2017-18202
Published: March 1, 2018 / Updated: March 20, 2018
Vulnerability identifier: #VU10805
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-2017-18202
CWE-ID: CWE-119
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 mm/oom_kill.c source code in the __oom_reap_task_mm function due to boundary error. A local attacker can trigger memory corruption and cause the system to crash.
The weakness exists in the mm/oom_kill.c source code in the __oom_reap_task_mm function due to boundary error. A local attacker can trigger memory corruption and cause the system to crash.
Affected software
Linux kernel
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for IBM System z (Structure A)
kernel-alt (Red Hat package)
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for IBM System z (Structure A)
kernel-alt (Red Hat package)
How to mitigate CVE-2017-18202
Install update from vendor's website.
kernel-alt (Red Hat package) - update to 4.14.0-49.13.1.el7a