Information disclosure in Linux Kernel
CVE-2016-4486
The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.
Vulnerability class: Information Disclosure
EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Linux Linux_kernel
- Novell Suse_linux_enterprise_debuginfo — versions 11.0
- Novell Suse_linux_enterprise_desktop — versions 12.0
- Novell Suse_linux_enterprise_live_patching — versions 12.0
- Novell Suse_linux_enterprise_module_for_public_cloud — versions 12.0
- Novell Suse_linux_enterprise_real_time_extension — versions 12.0
- Novell Suse_linux_enterprise_server — versions 11.0, 12.0
- Novell Suse_linux_enterprise_software_development_kit — versions 11.0, 12.0
- Novell Suse_linux_enterprise_workstation_extension — versions 12.0
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, VDB Entry, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2016-4486?
- CVE-2016-4486 is a low-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 3.3/10. Published 2016-05-23.
- How severe is CVE-2016-4486?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2016-4486 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.