#VU93343 NULL pointer dereference in Linux kernel - CVE-2014-8173

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Main Vulnerability Database Vulnerabilities #VU93343

#VU93343 NULL pointer dereference in Linux kernel - CVE-2014-8173

Published: June 25, 2024


Vulnerability identifier: #VU93343
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-2014-8173
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the pmd_none_or_trans_huge_or_clear_bad() function in include/asm-generic/pgtable.h on NUMA systems. A local user can trigger denial of service conditions via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.


Remediation

Install update from vendor's website.

External links