#VU96103 Use-after-free in Linux kernel - CVE-2024-43834
Published: August 19, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96103
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-2024-43834
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 xdp_unreg_mem_model() function in net/core/xdp.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/3fc1be360b99baeea15cdee3cf94252cd3a72d26
- https://git.kernel.org/stable/c/bf0ce5aa5f2525ed1b921ba36de96e458e77f482
- https://git.kernel.org/stable/c/12144069209eec7f2090ce9afa15acdcc2c2a537
- https://git.kernel.org/stable/c/59a931c5b732ca5fc2ca727f5a72aeabaafa85ec
- 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/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