CVE-2021-3736

A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2021-3736	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1995570	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f	Patch Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3736	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1995570	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:22

Type	Values Removed	Values Added
References	~~() https://access.redhat.com/security/cve/CVE-2021-3736 - Third Party Advisory~~	() https://access.redhat.com/security/cve/CVE-2021-3736 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1995570 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1995570 - Issue Tracking, Third Party Advisory
References	~~() https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f - Patch, Third Party Advisory~~	() https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f - Patch, Third Party Advisory

Information

Published : 2022-08-23 16:15

Updated : 2024-11-21 06:22

NVD link : CVE-2021-3736

Mitre link : CVE-2021-3736

CVE.ORG link : CVE-2021-3736

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-401

Missing Release of Memory after Effective Lifetime

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