CVE-2020-36310

Debian Security Advisory 5095-1

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in the Linux kernel before 5.8. arch/x86/kvm/svm/svm.c allows a set_memory_region_test infinite loop for certain nested page faults, aka CID-e72436bc3a52.

Se detectó un problema en el kernel de Linux versiones anteriores a 5.8. El archivo arch/x86/kvm/svm/svm.c permite un bucle infinito en la función set_memory_region_test para determinados fallos de página anidadas, también se conoce como CID-e72436bc3a52

An update that solves 52 vulnerabilities and has 250 fixes is now available. The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bug fixes.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-06 CVE Reserved
2021-04-06 CVE Published
2024-08-04 CVE Updated
2025-04-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8	2022-04-18
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e72436bc3a5206f95bb384e741154166ddb3202e	2022-04-18
https://www.debian.org/security/2022/dsa-5095	2022-04-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.8 Search vendor "Linux" for product "Linux Kernel" and version " < 5.8"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected