CVE-2023-3863

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

At a glance

Severity
MEDIUM 6.4
EPSS
EPSS 0.23 % · percentile 13 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

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.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hredhat
CVSS 3.1MEDIUM 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HNVD · secalert@redhat.com (Secondary)
CVSS 3.1MEDIUM 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Kernelunaffected 6.5-rc1
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 9
Red Hat · Red Hat Enterprise Linux 9
Fedora · Fedora

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD