Red Hat Enterprise Linux 6 update for kernel



Published: 2020-07-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-18660
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
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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) Information disclosure

EUVDB-ID: #VU23082

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18660

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to absent protection in Linux kernel on powerpc against the Spectre-RSB, related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel (Red Hat package): 2.6.32-71.7.1.el6 - 2.6.32-754.30.2.el6

External links

http://access.redhat.com/errata/RHSA-2020:2933


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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