Buffer overflow in Debian Linux - CVE-2016-5728
Published: June 27, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40222
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-5728
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to #BASIC_IMPACT#.
Race condition in the vop_ioctl function in drivers/misc/mic/vop/vop_vringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (memory corruption and system crash) by changing a certain header, aka a "double fetch" vulnerability.
Affected software
Debian Linux
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2016-5728
Install update from vendor's website.
kernel - addressed in versions 4.5.7-202.fc23, 4.6.3-300.fc24
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9bf292bfca94694a721449e3fd752493856710f6
- http://www.debian.org/security/2016/dsa-3616
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
- http://www.securityfocus.com/archive/1/538802/30/0/threaded
- http://www.ubuntu.com/usn/USN-3070-1
- http://www.ubuntu.com/usn/USN-3070-2
- http://www.ubuntu.com/usn/USN-3070-3
- http://www.ubuntu.com/usn/USN-3070-4
- http://www.ubuntu.com/usn/USN-3071-1
- http://www.ubuntu.com/usn/USN-3071-2
- https://bugzilla.kernel.org/show_bug.cgi?id=116651
- https://github.com/torvalds/linux/commit/9bf292bfca94694a721449e3fd752493856710f6