Red Hat update for kernel

1) Double-free memory error

EUVDB-ID: #VU14490

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10902

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to double-free memory error in snd_rawmidi_input_params() and snd_rawmidi_output_status() in 'rawmidi.c'. A local attacker can gain elevated privileges and execute arbitrary code.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel (Red Hat package): 2.6.32-71.7.1.el6 - 2.6.32-754.6.3.el6

Red Hat Enterprise Linux for Power, big endian: 6

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux for IBM z Systems: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

:

External links

http://access.redhat.com/errata/RHSA-2019:0415

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.