Main Vulnerability Database Vulnerabilities #VU97498

Use-after-free in Linux kernel - CVE-2024-46790

Published: September 18, 2024 / Updated: May 12, 2025

Vulnerability identifier: #VU97498

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2024-46790

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the free_pages_prepare() function in mm/page_alloc.c. A local user can escalate privileges on the system.

Affected software

Linux kernel
IBM Security Guardium

How to mitigate CVE-2024-46790

Install update from vendor's website.

Linux kernel - addressed in versions 6.10.10, 6.11
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

External References

https://git.kernel.org/stable/c/16ad36c8e66a26626e7d0224100b433483a2acef
https://git.kernel.org/stable/c/5e9784e997620af7c1399029282f5d6964b41942
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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