#VU93736 Improper privilege management in Linux kernel - CVE-2023-52642
Published: July 3, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93736
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52642
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the lirc_dev_exit() and rc_dev_get_from_fd() functions in drivers/media/rc/lirc_dev.c, within the lirc_prog_attach(), lirc_prog_detach() and lirc_prog_query() functions in drivers/media/rc/bpf-lirc.c. A local user can read and manipulate data.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/93d8109bf182510629bbefc8cd45296d2393987f
- https://git.kernel.org/stable/c/d98210108e7b2ff64b332b0a3541c8ad6a0617b0
- https://git.kernel.org/stable/c/9f6087851ec6dce5b15f694aeaf3e8ec8243224e
- https://git.kernel.org/stable/c/93136132d1b5792bf44151e3494ae3691cd738e8
- https://git.kernel.org/stable/c/caf2da1d4562de4e35eedec0be2b7f1ee25d83be
- https://git.kernel.org/stable/c/6a9d552483d50953320b9d3b57abdee8d436f23f
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8