An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3841-1 linux-5.10 security update
EUVD EUVD EUVD-2024-16438 An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Ubuntu USN Ubuntu USN USN-6639-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6648-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6648-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6651-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6651-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6651-3 Linux kernel (StarFive) vulnerabilities
Ubuntu USN Ubuntu USN USN-6652-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6653-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6653-2 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6653-3 Linux kernel (Low Latency) vulnerabilities
Ubuntu USN Ubuntu USN USN-6653-4 Linux kernel (GKE) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

To mitigate this issue, prevent module tls from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

History

Tue, 17 Jun 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 25 Nov 2024 11:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1314

Fri, 22 Nov 2024 12:00:00 +0000

Type Values Removed Values Added
References

Wed, 16 Oct 2024 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1314

Sat, 14 Sep 2024 00:45:00 +0000

Type Values Removed Values Added
References

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-10-09T11:52:53.605Z

Reserved: 2024-01-17T13:11:12.669Z

Link: CVE-2024-0646

cve-icon Vulnrichment

Updated: 2024-08-01T18:11:35.718Z

cve-icon NVD

Status : Modified

Published: 2024-01-17T16:15:47.190

Modified: 2024-11-25T10:44:03.660

Link: CVE-2024-0646

cve-icon Redhat

Severity : Important

Publid Date: 2023-12-07T06:30:00Z

Links: CVE-2024-0646 - Bugzilla

cve-icon OpenCVE Enrichment

No data.