CVE-2023-3863

Use-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c

Published Jul 24, 2023 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.

Remediation

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.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3623-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5480-1 linux security update
Debian DSA Debian DSA DSA-5492-1 linux security update
EUVD EUVD EUVD-2023-44491 A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.
Ubuntu USN Ubuntu USN USN-6285-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6385-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6388-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6396-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6396-2 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6396-3 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6416-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6416-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6416-3 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-6417-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6445-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6445-2 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6464-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6466-1 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6520-1 Linux kernel (StarFive) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 13, 2025, 5:02 PM
Reserved
Jul 24, 2023, 11:13 AM
Status
Modified
Published
Jul 24, 2023, 3:15 PM
Modified
Jun 17, 2026, 6:15 AM
Severity
Moderate
Public date
Jun 25, 2023, 6:30 AM