#VU96106 Use-after-free in Linux kernel - CVE-2024-42280
Published: August 19, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96106
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-42280
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hfcmulti_dtmf() and HFC_wait_nodebug() functions in drivers/isdn/hardware/mISDN/hfcmulti.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4d8b642985ae24f4b3656438eb8489834a17bb80
- https://git.kernel.org/stable/c/ddc79556641ee070d36be0de4a1f0a16a71f1fc7
- https://git.kernel.org/stable/c/7e4a539bca7d8d20f2c5d93c18cce8ef77cd78e0
- https://git.kernel.org/stable/c/61ab751451f5ebd0b98e02276a44e23a10110402
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.320
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.282
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44