#VU102048 Use-after-free in Linux kernel - CVE-2024-53166
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102048
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-2024-53166
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 bfq_choose_req(), bfqq_request_over_limit() and bfq_limit_depth() functions in block/bfq-iosched.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/01a853faaeaf3379ccf358ade582b1d28752126e
- https://git.kernel.org/stable/c/906cdbdd3b018ff69cc830173bce277a847d4fdc
- https://git.kernel.org/stable/c/dcaa738afde55085ac6056252e319479cf23cde2
- https://git.kernel.org/stable/c/e8b8344de3980709080d86c157d24e7de07d70ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.130
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64