Red Hat update for Linux Kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-1000251
CWE-ID CWE-121
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe
Red Hat Enterprise Linux Server - 4 Year Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server (for IBM Power LE) - 4 Year Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server - TUS
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server - AUS
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux EUS Compute Node
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) Stack-based buffer overflow

EUVDB-ID: #VU8329

Risk: Low

CVSSv3.1: 8.6 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-1000251

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

Description

The vulnerability allows an adjacent attacker to execute arbitrary code on the host system.

The weakness exists due to a stack-based buffer overflow in the processing of L2CAP configuration. An adjacent attacker can submit a specially crafted Bluetooth protocol, trigger memory corruption in the Bluetooth stack and execute arbitrary code in kernel space.

Successful exploitation of the vulnerability may result in host system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - 4 Year Extended Update Support: 7.3

Red Hat Enterprise Linux Server (for IBM Power LE) - 4 Year Extended Update Support: 7.3

Red Hat Enterprise Linux Server - TUS: 7.3

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 7.3

Red Hat Enterprise Linux Server - AUS: 7.3

Red Hat Enterprise Linux for Power, big endian - Extended Update Support: 7.3

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 7.3

Red Hat Enterprise Linux Server - Extended Update Support: 7.3

kernel (Red Hat package): 3.10.0-123.1.2.el7 - 3.10.0-514.28.1.el7

Red Hat Enterprise Linux EUS Compute Node: 7.3

:

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2017:2680


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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.



###SIDEBAR###