Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-4470 |
CWE-ID | CWE-19 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Red Hat Enterprise Linux for Power, big endian - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux Server - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux EUS Compute Node Operating systems & Components / Operating system kernel (Red Hat package) Operating systems & Components / Operating system package or component |
Vendor |
Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU3800
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-4470
CWE-ID:
CWE-19 - Data Handling
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the key_reject_and_link function in security/keys/key.c due to it does not ensure that a certain data structure is initialized. A local attacker can cause the service to crash via vectors involving a crafted keyctl request2 command.
Install updates from vendor's website.
Red Hat Enterprise Linux for Power, big endian - Extended Update Support: 6.7
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 6.7
Red Hat Enterprise Linux Server - Extended Update Support: 6.7
kernel (Red Hat package): 2.6.32-71.7.1.el6 - 2.6.32-573.34.1.el6
Red Hat Enterprise Linux EUS Compute Node: 6.7
:
External linkshttp://access.redhat.com/errata/RHSA-2016:2076
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.