CVE-2022-50311

MEDIUM EPSS 4.2%
Published Sep 15, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix refcount leak in cxl_calc_capp_routing of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function only calls of_node_put() in normal path, missing it in the error path. Add missing of_node_put() to avoid refcount leak.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.12  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 8

  • git.kernel.org https://git.kernel.org/stable/c/1d09697ff22908ae487fc8c4fbde1811732be523
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d7b6580384e6d65419933ddc525bd176095da54
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/651e8bc9d0418c20a1989b7c078c64c2a6346fa3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6a310e8db5409676b4b3e6c1f54dff174e4fd04d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/81c8bbf5b2b5f0c8030fff1716c00849cda8571a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c9bebc503881c1391f6c4f820134884adecf1519
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ee870f72465015327ad96204b0e92450d04870cd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2d60f6ba173cded65081cee690b67802395a479
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1d09697ff22908ae487fc8c4fbde1811732be523
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d7b6580384e6d65419933ddc525bd176095da54
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/651e8bc9d0418c20a1989b7c078c64c2a6346fa3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6a310e8db5409676b4b3e6c1f54dff174e4fd04d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/81c8bbf5b2b5f0c8030fff1716c00849cda8571a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c9bebc503881c1391f6c4f820134884adecf1519
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ee870f72465015327ad96204b0e92450d04870cd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2d60f6ba173cded65081cee690b67802395a479
    Patch