UBUNTU-CVE-2016-10044
The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call.
02 / AFFECTED SOFTWARE
Affected packages
120 explicit affected versions
15 explicit affected versions
35 explicit affected versions
17 explicit affected versions
11 explicit affected versions
44 explicit affected versions
38 explicit affected versions
43 explicit affected versions
10 explicit affected versions
50 explicit affected versions
26 explicit affected versions
51 explicit affected versions
78 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
7 explicit affected versions
7 explicit affected versions
8 explicit affected versions
7 explicit affected versions
1 explicit affected versions
1 explicit affected versions
24 explicit affected versions
61 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5a
- http://source.android.com/security/bulletin/2017-02-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7
- https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5a
- https://ubuntu.com/security/CVE-2016-10044
- https://ubuntu.com/security/notices/USN-3422-1
- https://ubuntu.com/security/notices/USN-3422-2
- https://www.cve.org/CVERecord?id=CVE-2016-10044