A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3711-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5593-1 linux security update
Debian DSA Debian DSA DSA-5594-1 linux security update
EUVD EUVD EUVD-2023-58762 A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
Ubuntu USN Ubuntu USN USN-6624-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6639-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6652-1 Linux kernel (Azure) vulnerabilities
Fixes

Solution

No solution given by the vendor.


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.

History

Tue, 04 Nov 2025 19:30:00 +0000


Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00014}

epss

{'score': 0.00016}


Mon, 21 Oct 2024 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 06 Sep 2024 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-06T19:47:01.071Z

Reserved: 2023-12-05T18:05:12.324Z

Link: CVE-2023-6531

cve-icon Vulnrichment

Updated: 2025-11-04T18:21:58.920Z

cve-icon NVD

Status : Modified

Published: 2024-01-21T10:15:07.967

Modified: 2025-11-04T19:16:24.303

Link: CVE-2023-6531

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-12-06T06:30:00Z

Links: CVE-2023-6531 - Bugzilla

cve-icon OpenCVE Enrichment

No data.