Information exposure in Linux kernel - CVE-2015-7884
Published: December 28, 2015 / Updated: December 7, 2016
Vulnerability identifier: #VU92478
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-7884
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the vivid_fb_ioctl() function in drivers/media/platform/vivid/vivid-osd.c. A local privileged user can gain access to sensitive information.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
Ubuntu
linux (Ubuntu package)
How to mitigate CVE-2015-7884
Install update from vendor's repository.
linux (Ubuntu package) - addressed in versions 3.19.0-41.46, 4.2.0-21.25
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://www.openwall.com/lists/oss-security/2015/10/21/8
- http://www.securityfocus.com/bid/77317
- http://www.securitytracker.com/id/1034893
- http://www.ubuntu.com/usn/USN-2842-1
- http://www.ubuntu.com/usn/USN-2842-2
- http://www.ubuntu.com/usn/USN-2843-1
- http://www.ubuntu.com/usn/USN-2843-2
- http://www.ubuntu.com/usn/USN-2843-3
- https://bugzilla.redhat.com/show_bug.cgi?id=1274726
- https://github.com/torvalds/linux/commit/eda98796aff0d9bf41094b06811f5def3b4c333c