Stack-based out-of-bounds write in Linux kernel - CVE-2018-12930
Published: August 23, 2018 / Updated: August 23, 2018
Vulnerability identifier: #VU14506
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12930
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists in the ntfs_end_buffer_async_read() function in the ntfs.kofilesystem driver due to stack-based out-of-bounds write. A local attacker can mount a specially crafted NTFS filesystem that submits malicious input, trigger memory corruption and cause the affected software to terminate abnormally or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Linux kernel
MRG Realtime
kernel-rt (Red Hat package)
MRG Realtime
kernel-rt (Red Hat package)
How to mitigate CVE-2018-12930
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.
kernel-rt (Red Hat package) - update to 3.10.0-693.46.1.rt56.639.el6rt