---
id: CVE-2022-50822
title: 'RDMA/restrack: Release MR restrack when delete'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  RDMA/restrack: Release MR restrack when delete

  The MR restrack also needs to be released when delete it, otherwise it
  cause memory leak as the task struct won't be rel…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 <
    13586753ae55146269a6dc8b216f17d86b81560c
  - >-
    Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 <
    37c90753079fc95d93cc31b79796dd2ae57ad018
  - >-
    Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 <
    8731cb5c7820bef577bab4ff17691fbf61c671cb
  - >-
    Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 <
    dac153f2802db1ad46207283cb9b2aae3d707a45
  - Linux 5.10
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-15T21:32:37.622581Z'
published: '2025-12-30'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:41:24.165Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-50822'
references:
  - url: 'https://git.kernel.org/stable/c/13586753ae55146269a6dc8b216f17d86b81560c'
  - url: 'https://git.kernel.org/stable/c/37c90753079fc95d93cc31b79796dd2ae57ad018'
  - url: 'https://git.kernel.org/stable/c/8731cb5c7820bef577bab4ff17691fbf61c671cb'
  - url: 'https://git.kernel.org/stable/c/dac153f2802db1ad46207283cb9b2aae3d707a45'
tags:
  - cve.org
epss: 0.00196
epssPercentile: 0.0861
ingestedAt: '2026-10-15T22:48:25.383Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

RDMA/restrack: Release MR restrack when delete

The MR restrack also needs to be released when delete it, otherwise it
cause memory leak as the task struct won't be released.

## Affected

- `Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 < 13586753ae55146269a6dc8b216f17d86b81560c`
- `Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 < 37c90753079fc95d93cc31b79796dd2ae57ad018`
- `Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 < 8731cb5c7820bef577bab4ff17691fbf61c671cb`
- `Linux >= 13ef5539def732dc7b9c58c320d97a0a95b52634 < dac153f2802db1ad46207283cb9b2aae3d707a45`
- `Linux 5.10`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.