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CVE-2023-3863

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

Published: 7/24/2023 Last updated: 2/13/2025 Reserved: 7/24/2023

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 6.4 Medium CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (9)

Product Vendor Version
Fedora Fedora < 10.0.17763.3287
Red Hat Enterprise Linux 6 Red Hat 11.1.0 MSR4
Red Hat Enterprise Linux 7 Red Hat Windows 10 Version 1809 for 32-bit Systems
Red Hat Enterprise Linux 8 Red Hat 17.6.1w
Red Hat Enterprise Linux 9 Red Hat 17.6.1y
Red Hat Enterprise Linux 8 Red Hat 12.0.1
Red Hat Enterprise Linux 7 Red Hat 17.6.1
Red Hat Enterprise Linux 9 Red Hat < 6.3.9600.22371
Kernel n/a 1.2.2 SR2

References (14)