SB2017042430 - Information disclosure in Linux kernel media video driver
Published: April 24, 2017
Security Bulletin ID
SB2017042430
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) Information disclosure (CVE-ID: CVE-2007-6761)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
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 information disclosure within the videobuf_vm_open(), videobuf_vm_close() and __videobuf_mmap_mapper() functions in drivers/media/video/videobuf-vmalloc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://www.linuxgrill.com/anonymous/kernel/v2.6/ChangeLog-2.6.24
- http://www.securityfocus.com/bid/98001
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=827340
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b29669c065f60501e7289e1950fa2a618962358
- https://github.com/torvalds/linux/commit/0b29669c065f60501e7289e1950fa2a618962358