CVE-2022-4744

2023-03-3000:00:00

CWE-460

redhat

www.cve.org

cve-2022-4744

linux kernel

tun/tap driver

double-free flaw

local privilege escalation

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Kernel",
    "versions": [
      {
        "version": "Linux kernel 5.16-rc7",
        "status": "affected"
      }
    ]
  }
]