#VU98901 Use-after-free in Linux kernel - CVE-2024-47676
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98901
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-2024-47676
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 vmf_anon_prepare(), hugetlb_no_page() and hugetlb_vma_unlock_read() functions in mm/hugetlb.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/e897d184a8dd4a4e1f39c8c495598e4d9472776c
- https://git.kernel.org/stable/c/d59ebc99dee0a2687a26df94b901eb8216dbf876
- https://git.kernel.org/stable/c/98b74bb4d7e96b4da5ef3126511febe55b76b807
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12