UBUNTU-CVE-2016-6198
Dashboard / Vulnerabilities / UBUNTU-CVE-2016-6198
Summary:
Details: The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.
References: https://ubuntu.com/security/CVE-2016-6198, http://openwall.com/lists/oss-security/2016/07/11/7, https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/rename/rename13.c, https://www.cve.org/CVERecord?id=CVE-2016-6198
Affected packages
Package
Name: linux-lts-wily
Purl: pkg:deb/ubuntu/linux-lts-wily?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.2.0-41.48~14.04.1
Affected versions
4.2.0-18.22~14.04.1
4.2.0-19.23~14.04.1
4.2.0-21.25~14.04.1
4.2.0-22.27~14.04.1
4.2.0-23.28~14.04.1
4.2.0-25.30~14.04.1
4.2.0-27.32~14.04.1
4.2.0-30.35~14.04.1
4.2.0-30.36~14.04.1
4.2.0-34.39~14.04.1
4.2.0-35.40~14.04.1
4.2.0-36.41~14.04.1
4.2.0-36.42~14.04.1
4.2.0-38.45~14.04.1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
