---
id: CVE-2026-31634
title: 'rxrpc: fix reference count leak in rxrpc_server_keyring()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  rxrpc: fix reference count leak in rxrpc_server_keyring()

  This patch fixes a reference count leak in rxrpc_server_keyring()
  by checking if rx->securities is already set.
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    45d9584e51bdd61faf1900f82666d4ea6a85da72
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    fc76d0bd00850b7372f0a4a319c0c60f80487632
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    9ce36d28f67c2a477a7e2f03480de3f6783fb363
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    12de9e0e0b0b7058be7dfb8a5927eb565bc25780
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    139c750bf06649097d98b0bc41e2a678b4627e27
  - >-
    Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea <
    f125846ee79fcae537a964ce66494e96fa54a6de
  - Linux 2.6.22
published: '2026-04-24'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T08:47:49.793Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-31634'
references:
  - url: 'https://git.kernel.org/stable/c/45d9584e51bdd61faf1900f82666d4ea6a85da72'
  - url: 'https://git.kernel.org/stable/c/fc76d0bd00850b7372f0a4a319c0c60f80487632'
  - url: 'https://git.kernel.org/stable/c/c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2'
  - url: 'https://git.kernel.org/stable/c/9ce36d28f67c2a477a7e2f03480de3f6783fb363'
  - url: 'https://git.kernel.org/stable/c/12de9e0e0b0b7058be7dfb8a5927eb565bc25780'
  - url: 'https://git.kernel.org/stable/c/8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a'
  - url: 'https://git.kernel.org/stable/c/139c750bf06649097d98b0bc41e2a678b4627e27'
  - url: 'https://git.kernel.org/stable/c/f125846ee79fcae537a964ce66494e96fa54a6de'
tags:
  - cve.org
epss: 0.00171
epssPercentile: 0.05678
ingestedAt: '2026-09-08T15:33:26.990Z'
---

## Overview

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

rxrpc: fix reference count leak in rxrpc_server_keyring()

This patch fixes a reference count leak in rxrpc_server_keyring()
by checking if rx->securities is already set.

## Affected

- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 45d9584e51bdd61faf1900f82666d4ea6a85da72`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < fc76d0bd00850b7372f0a4a319c0c60f80487632`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 9ce36d28f67c2a477a7e2f03480de3f6783fb363`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 12de9e0e0b0b7058be7dfb8a5927eb565bc25780`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 139c750bf06649097d98b0bc41e2a678b4627e27`
- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < f125846ee79fcae537a964ce66494e96fa54a6de`
- `Linux 2.6.22`

## Remediation

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