CVE Vulnerability

CVE-2020-27152

An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.kernel.org/show_bug.cgi?id=208767 Exploit Issue Tracking
http://www.openwall.com/lists/oss-security/2020/11/03/1 Mailing List Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da Mailing List Patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2 Mailing List Release Notes
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2020-11-06 08:15

Updated : 2020-11-16 03:14

NVD link : CVE-2020-27152

Mitre link : CVE-2020-27152

Products Affected
No products.
CWE
CWE-835