Slackware Linux update for kernel

1) Double Free

EUVDB-ID: #VU20899

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-20961

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver. A local user can create and run a specially crafted application, trigger double free error and execute arbitrary code on the target system with elevated privileges.

Mitigation

Update the affected package kernel.

Vulnerable software versions

Slackware Linux: 14.2

CPE2.3

• cpe:2.3:o:slackware:slackware_linux:14.2:*:*:*:*:*:*:*

External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2019&m=slackware-security.687785

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.