Red Hat update for kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-8399 |
| CWE-ID | CWE-121 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
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 Other |
| Vendor |
Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU1255
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2016-8399
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to cause kernel panic or escalate privileges.
The vulnerability exists due to a boundary error when crating an ICMP header. A local user can create a very short ICMP header and execute arbitrary code within the contest of the kernel.
Successful exploitation of the vulnerability may allow a local user to escalate privileges on the system.
MitigationInstall 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.el6 - 2.6.32-573.40.1.el6
Red Hat Enterprise Linux EUS Compute Node: 6.7
:
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_big_endian_-_extended_update_support:6.7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems_-_extended_update_support:6.7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_extended_update_support:6.7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kernel_redhat_package:2.6.32-71.el6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kernel_redhat_package:2.6.32-71.7.1.el6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kernel_redhat_package:2.6.32-71.14.1.el6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_eus_compute_node:6.7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:::::*:*:*:*:*:*:*
https://access.redhat.com/errata/RHSA-2017:0869
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.
