Red Hat update for kernel



Published: 2018-11-23 | Updated: 2018-11-23
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14634
CWE-ID CWE-190
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Red Hat Enterprise Linux Server - AUS
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.

1) Integer overflow

EUVDB-ID: #VU15168

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-14634

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow in create_elf_tables() function when processing SUID binaries. A local unprivileged user can use this vulnerability to execute execute arbitrary code on the system with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 6.4

kernel (Red Hat package): 2.6.32-71.7.1.el6 - 2.6.32-358.93.1.el6

:

External links

http://access.redhat.com/errata/RHSA-2018:3643


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. However, proof of concept for this vulnerability is available.



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