CVE-2022-4744

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : 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
http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html	Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230526-0009/	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2023-03-30 21:15

Updated : 2023-11-07 03:58

NVD link : CVE-2022-4744

Mitre link : CVE-2022-4744

CVE.ORG link : CVE-2022-4744

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-415

Double Free

CWE-460

Improper Cleanup on Thrown Exception

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