Permissions, Privileges, and Access Controls in Linux kernel - CVE-2016-10044
Published: May 23, 2017 / Updated: November 29, 2024
Vulnerability identifier: #VU6642
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2016-10044
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper privilege management within the aio_mount() function in fs/aio.c. A local user can bypass SELinux W^X policy restrictions and execute arbitrary code with elevated privileges.
How to mitigate CVE-2016-10044
Sources
- https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5a
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7
- http://source.android.com/security/bulletin/2017-02-01.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5a