#VU92306 Use-after-free in Linux kernel - CVE-2024-38545
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92306
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-2024-38545
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 alloc_cqc(), free_cqc() and hns_roce_cq_event() functions in drivers/infiniband/hw/hns/hns_roce_cq.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/763780ef0336a973e933e40e919339381732dcaf
- https://git.kernel.org/stable/c/63da190eeb5c9d849b71f457b15b308c94cbaf08
- https://git.kernel.org/stable/c/39d26cf46306bdc7ae809ecfdbfeff5aa1098911
- https://git.kernel.org/stable/c/37a7559dc1358a8d300437e99ed8ecdab0671507
- https://git.kernel.org/stable/c/a942ec2745ca864cd8512142100e4027dc306a42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.12