Description
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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2017-02-01.htmlPatch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/96122Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037798Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2017-02-01.htmlPatch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/96122Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037798Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5aIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Feb 7, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified