CVE-2022-4744CWE-460

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…

High · published March 30, 2023

CVSS v3.1
7.8
EPSS
0%
Percentile
38.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00459 · 38.8th percentile
Weakness
CWE-460 · Improper Cleanup on Thrown Exception
Published
2023-03-30T00:00Z
EPSS history
Timeline
  • 30 MAR 00:00Z
    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…
    cvelistv5