CVE-2023-46862

kernel: NULL pointer dereference vulnerability in io_uring_show_fdinfo

Published Oct 29, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 15, 2026, 12:04 AM
Reserved
Oct 29, 2023, 12:00 AM
Status
Modified
Published
Oct 29, 2023, 4:15 AM
Modified
Oct 15, 2026, 1:17 AM
Severity
Moderate
Public date
Oct 29, 2023, 12:00 AM