CVE-2023-3812

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS v3.0 7.8 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0	Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2224048	Issue Tracking Patch Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-3812	Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6799	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:6813	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7379	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7370	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7382	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7389	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7411	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7418	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7548	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7549	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2023:7554	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

Information

Published : 2023-07-24 16:15

Updated : 2024-01-03 06:15

NVD link : CVE-2023-3812

Mitre link : CVE-2023-3812

JSON object : View

Products Affected

redhat

enterprise_linux

linux

linux_kernel

CWE

CWE-416

Use After Free

CWE-787

Out-of-bounds Write

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