---
id: CVE-2024-0641
title: 'Kernel: deadlock leading to denial of service in tipc_crypto_key_revoke'
summary: >-
  A denial of service vulnerability was found in tipc_crypto_key_revoke in
  net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows
  guests with local user privileges to trigger a deadlock and potentially crash
  the system.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-833
vendor: Red Hat
product: kernel
affected:
  - kernel < 6.6-rc5
  - kernel
  - kernel
  - kernel-rt
  - kernel
  - kernel-rt
  - kernel
  - kernel-rt
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-01-24T19:23:25.846465Z'
published: '2024-01-17'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T11:39:17.264Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-0641'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2024-0641'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2258757'
    label: RHBZ#2258757
  - url: >-
      https://github.com/torvalds/linux/commit/08e50cf071847323414df0835109b6f3560d44f5
tags:
  - cve.org
epss: 0.00168
epssPercentile: 0.06182
ingestedAt: '2026-11-05T21:36:00.818Z'
---

## Overview

A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.

## Affected

- `kernel < 6.6-rc5`
- `kernel`
- `kernel`
- `kernel-rt`
- `kernel`
- `kernel-rt`
- `kernel`
- `kernel-rt`

## Remediation

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

### Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.