Red Hat Enterprise Linux 5 Extended Lifecycle Support update for kernel

1) Information disclosure

EUVDB-ID: #VU9883

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2017-5715

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists in Intel CPU hardware due to improper implementation of the speculative execution of instructions. A local attacker can utilize branch target injection, execute arbitrary code, perform a side-channel attack and read sensitive memory information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for IBM z Systems: 5.0

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems): 5.0

Red Hat Enterprise Linux Server - Extended Life Cycle Support: 5.0

kernel (Red Hat package): 2.6.18-8.1.1.el5 - 2.6.18-426.el5

Red Hat Enterprise Linux Server: v.5

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CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:5.0:*:*:*:*:red_hat_enterprise_linux:*:*

External links

http://access.redhat.com/errata/RHSA-2018:1196

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?