Medium · CVSS 5.5CVE-2024-0641

Kernel: deadlock leading to denial of service in tipc_crypto_key_revokeCVE-2024-0641

Answer in brief

CVE-2024-0641 records a Medium severity (CVSS 5.5) vulnerability in Kernel: deadlock leading to denial of service in tipc_crypto_key_revoke. The current sources do not mark it as known exploited. The current feed maps kernel (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 17, 2024Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.5
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps kernel (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
kernelgeneric	>=0 <6.6-rc5	6.6-rc5

Recommended response

Check inventory. Check lockfiles and deployed manifests for kernel.
Review the reported fix. Source-reported workaround: 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.

Evidence timeline and material changes

Published upstream
Jan 17, 2024
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Nov 5, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Package

Affected range

Fixed version

kernelgeneric

>=0 <6.6-rc5

6.6-rc5

Recommended response

Check inventory. Check lockfiles and deployed manifests for kernel.

Review the reported fix. Source-reported workaround: 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.

Sources and claim methodology

Upstream source description

Quoted source text, attributed separately from HOL analysis.