SB2016052317 - Information exposure in Linux kernel core
Published: May 23, 2016 Updated: June 20, 2024
Security Bulletin ID
SB2016052317
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) Information exposure (CVE-ID: CVE-2016-4486)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
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 information exposure error within the rtnl_fill_vfinfo() function in net/core/rtnetlink.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2016/05/04/27
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6
- https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6
- https://bugzilla.redhat.com/show_bug.cgi?id=1333316
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
- http://www.ubuntu.com/usn/USN-2997-1
- http://www.ubuntu.com/usn/USN-2996-1
- http://www.ubuntu.com/usn/USN-3002-1
- http://www.ubuntu.com/usn/USN-3001-1
- http://www.ubuntu.com/usn/USN-3004-1
- http://www.ubuntu.com/usn/USN-2989-1
- http://www.ubuntu.com/usn/USN-3000-1
- http://www.ubuntu.com/usn/USN-2998-1
- http://www.ubuntu.com/usn/USN-3003-1
- http://www.ubuntu.com/usn/USN-3005-1
- http://www.ubuntu.com/usn/USN-3007-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://www.ubuntu.com/usn/USN-3006-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://www.debian.org/security/2016/dsa-3607
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.securityfocus.com/bid/90051
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- https://www.exploit-db.com/exploits/46006/