CVE-2022-4128

2022-11-2822:15:11

CWE-476

[email protected]

web.nvd.nist.gov

cve-2022-4128

linux kernel

mptcp

null pointer dereference

denial of service

nvd

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.

Affected configurations

Vulners

NVD

Node

linuxlinux_kernelRange≤5.19

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Linux kernel (mptcp)",
    "versions": [
      {
        "version": "Fixed in 5.19",
        "status": "affected"
      }
    ]
  }
]