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CVE-2020-15436

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

Published: Nov 23, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-416
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.9%
Top 44.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code within the context of a privileged process.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

linux kerneln/a
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
ОС АврораООО "Открытая мобильная платформа"
On-prem
Operating Systems / mobile-os
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
linux kernellinux
On-premOS
Operating Systems
red hat inc.commercialUSOperating Systemsaka red hat
ооо "открытая мобильная платформа"commercialRUOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
linuxoss-projectOperating Systemsaka the linux kernel
and 18 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-074-07.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-07
cisa.gov
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
cisa.gov
and 213 more references View all →

Timeline

Published
Nov 23, 2020
Last Updated
Nov 21, 2024

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