NULL pointer dereference in Linux kernel - CVE-2024-27060
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90525
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-27060
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tb_port_update_credits() function in drivers/thunderbolt/switch.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
IBM Integrated Analytics System
IBM Integrated Analytics System
How to mitigate CVE-2024-27060
Install update from vendor's website.
Linux kernel - addressed in versions 6.6.54, 6.7.12, 6.8
IBM Integrated Analytics System - update to 1.0.30.0
IBM Integrated Analytics System - update to 1.0.30.0
External References
- https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228
- https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8