An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

Project Subscriptions

Vendors Products
Linux Kernel Subscribe
Enterprise Linux Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3711-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5594-1 linux security update
Ubuntu USN Ubuntu USN USN-6533-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6624-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6652-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6686-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6686-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6686-3 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6686-4 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6686-5 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6705-1 Linux kernel (AWS) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 15 Oct 2026 01:30:00 +0000

Type Values Removed Values Added
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-15T00:04:53.322Z

Reserved: 2023-10-29T00:00:00.000Z

Link: CVE-2023-46862

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-10-29T04:15:11.363

Modified: 2026-10-15T01:17:10.573

Link: CVE-2023-46862

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-10-29T00:00:00Z

Links: CVE-2023-46862 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses