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CVE-2023-6915

Kernel: null pointer dereference vulnerability in ida_free in lib/idr.c

Published: 1/15/2024 Last updated: 11/6/2025 Reserved: 12/18/2023

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

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

Metrics

Version Score Severity Vector String
3.1 6.2 Medium CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted 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 (11)

Product Vendor Version
Red Hat Enterprise Linux 7 Red Hat 2.6.0
Red Hat Enterprise Linux 8 Red Hat <= 6.1.*
Red Hat Enterprise Linux 9 Red Hat <= 6.6.*
Red Hat Enterprise Linux 9 Red Hat <= 6.7.*
Red Hat Enterprise Linux 6 Red Hat <= *
Red Hat Enterprise Linux 7 Red Hat < 46870eea5496ff277e86187a49ac5a667cfe60c4
Red Hat Enterprise Linux 7 Red Hat 23.0
Red Hat Enterprise Linux 9 Red Hat 5.2.0
Red Hat Enterprise Linux 8 Red Hat <= 5.15.*
Red Hat Enterprise Linux 9 Red Hat < 5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628
Red Hat Enterprise Linux 7 Red Hat < ee378f45a70d09b51373ba495d30d99ef12219c1

References (26)

Credits (2)