#VU1010 Denial of service in Linux kernel - CVE-2015-8952
Published: October 17, 2016 / Updated: May 30, 2020
Vulnerability identifier: #VU1010
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-2015-8952
CWE-ID: CWE-264
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 user to cause DoS conditions on the target system.
The weakness exists due to mbcache feature in the ext2 and ext4 filesystem implementations. Improper handling of xattr block caching lets attackers to trigger soft lockup via filesystem operations in environments that use many attributes.
Successful exploitation of the vulnerability may result in denial of service on the vulnerable system.
The weakness exists due to mbcache feature in the ext2 and ext4 filesystem implementations. Improper handling of xattr block caching lets attackers to trigger soft lockup via filesystem operations in environments that use many attributes.
Successful exploitation of the vulnerability may result in denial of service on the vulnerable system.
Remediation
Update to version 4.6.