CVE-2020-27815

Published: May 26, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-119

7.8HIGH

NVD MITRE

Description

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-119 CWE-787

Affected Products

commercial·US

oss-projectaka the linux kernel

linux kernelOn-premOS

Operating Systems

debian

oss-project·GBaka debian gnu/linux

debian linuxOn-premOS

Operating Systems / linux-distro

and 3 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2020/11/30/5

openwall.com

http://www.openwall.com/lists/oss-security/2020/12/28/1

openwall.com

https://www.debian.org/security/2021/dsa-4843

debian.org

and 7 more references View all →

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