Privilege escalation in Linux kernel



Published: 2020-09-25
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14386
CWE-ID CWE-787
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU47051

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-14386

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: Yes

Description

The vulnerability allows a local privileged user to execute arbitrary code.

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.0 - 5.8.0


CPE2.3 External links

http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06
http://seclists.org/oss-sec/2020/q3/146

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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