Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-3639 |
CWE-ID | CWE-362 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Red Hat Enterprise Linux for Scientific Computing Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems Operating systems & Components / Operating system Red Hat Enterprise Linux for Power Operating systems & Components / Operating system Red Hat Enterprise Linux Desktop Operating systems & Components / Operating system Red Hat Enterprise Linux Workstation Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system Red Hat Gluster Storage Server for On-premise Server applications / File servers (FTP/HTTP) |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU12911
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-3639
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information on the target system.
The weakness exists due to race conditions in CPU cache processing. A local attacker can conduct a side-channel attack to exploit a flaw in the speculative execution of Load and Store instructions to read privileged memory.
Note: the vulnerability is referred to as "Spectre variant 4".
Install update from vendor's website.
Vulnerable software versionsRed Hat Enterprise Linux for Scientific Computing: 6
Red Hat Enterprise Linux for IBM z Systems: 6
Red Hat Enterprise Linux for Power: 6
Red Hat Enterprise Linux Desktop: 6
Red Hat Gluster Storage Server for On-premise: 3
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0
External linkshttp://access.redhat.com/errata/RHSA-2018:1669
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.