SB2016052316 - Memory corruption in Linux kernel media v4l2-core driver
Published: May 23, 2016
Security Bulletin ID
SB2016052316
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2016-4568)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.5 [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]
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to memory corruption error within the __verify_planes_array() and __fill_vb2_buffer() functions in drivers/media/v4l2-core/videobuf2-v4l2.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab
- http://www.openwall.com/lists/oss-security/2016/05/07/4
- https://bugzilla.redhat.com/show_bug.cgi?id=1334316
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
- https://github.com/torvalds/linux/commit/2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab