CVEvulnerability

CVE-2022-4744

7.8 HIGH Published 2023-03-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-03-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-415, CWE-460

Description

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.

Affected configurations

• linux linux kernel (>= 5.5 < 5.10.136) • linux linux kernel (>= 5.11 < 5.15.12)

Related

Weakness · CWE (2)

  • CWE-415 Double Free weakness
  • CWE-460 Improper Cleanup on Thrown Exception weakness

References