Red Hat update for kernel-rt



Published: 2016-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-0758
CWE-ID CWE-190
Exploitation vector Local
Public exploit N/A
Vulnerable software
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kernel-rt (Red Hat package)
Operating systems & Components / Operating system package or component

Red Hat Enterprise Linux for Real Time
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Real Time for NFV
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU456

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-0758

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in lib/asn1_decoder.c due to integer overflow. A local attacker can submit specially crafted ASN.1 data and gain root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel-rt (Red Hat package): 3.10.0-327.4.5.rt56.206.el7_2 - 3.10.0-327.10.1.rt56.211.el7_2

Red Hat Enterprise Linux for Real Time: 7

Red Hat Enterprise Linux for Real Time for NFV: 7

:

External links

http://access.redhat.com/errata/RHSA-2016:1051


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.



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