Memory Corruption Vulnerability in Linux Kernel Affecting Various Distributions
CVE-2020-14386

6.7MEDIUM

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
16 September 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-14386?

A flaw exists in the Linux kernel prior to version 5.9-rc4 due to memory corruption that can be exploited to escalate privileges, specifically allowing unprivileged processes to gain root access. This vulnerability poses significant risks to data confidentiality and integrity, making it critical for users of affected Linux distributions to apply patches and updates promptly. Notable releases and advisories have highlighted the importance of addressing this issue to maintain system security.

Affected Version(s)

kernel before 5.9-rc4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.