#VU13851 Null pointer dereference in Linux kernel - CVE-2018-13095
Published: July 13, 2018
Vulnerability identifier: #VU13851
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-13095
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists in the xfs_bmap_extents_to_btree() function in the Extended File System (XFS) component, as defined in the source code file fs/xfs/libxfs/xfs_inode_buf.c due to boundary error when mounting XFS filesystems. A local attacker can access the system, mount an XFS filesystem that submits malicious input, trigger a NULL pointer dereference memory error and cause the affected software to terminate abnormally.
Remediation
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.