Vulnerability in Linux Kernel
CVE-2016-4470
The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.
EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Novell Suse_linux_enterprise_real_time_extension — versions 12.0
- Oracle Linux — versions 5.0, 6, 7
- Oracle Vm_server — versions 3.3, 3.4
- Redhat Enterprise_linux — versions 6.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_for_real_time — versions 7.0
- Redhat Enterprise_linux_hpc_node — versions 7.0
- Redhat Enterprise_linux_hpc_node_eus — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
References
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2016-4470?
- CVE-2016-4470 is a medium-severity vulnerability in Linux Kernel. CVSS score: 5.5/10. Published 2016-06-27.
- How severe is CVE-2016-4470?
- Medium severity. CVSS v3 base score is 5.5 out of 10.