SB2014062514 - Input validation error in Linux kernel fs
Published: June 25, 2014
Security Bulletin ID
SB2014062514
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2014-0206)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper input validation within the aio_read_events_ring() function in fs/aio.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://github.com/torvalds/linux/commit/edfbbf388f293d70bf4b7c0bc38774d05e6f711a
- https://bugzilla.redhat.com/show_bug.cgi?id=1094602
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.46
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.24
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.10
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edfbbf388f29
- http://www.securitytracker.com/id/1030479
- http://www.securityfocus.com/bid/68176
- http://secunia.com/advisories/59278
- https://source.android.com/security/bulletin/2017-04-01
- http://www.securitytracker.com/id/1038201
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=edfbbf388f293d70bf4b7c0bc38774d05e6f711a