#VU98897 Use-after-free in Linux kernel - CVE-2024-47706
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98897
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-2024-47706
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_init_rq() function 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/e1277ae780cca4e69ef5468d4582dfd48f0b8320
- https://git.kernel.org/stable/c/8aa9de02a4be2e7006e636816ce19b0d667ceaa3
- https://git.kernel.org/stable/c/ddbdaad123254fb53e32480cb74a486a6868b1e0
- https://git.kernel.org/stable/c/7faed2896d78e48ec96229e73b30b0af6c00a9aa
- https://git.kernel.org/stable/c/880692ee233ba63808182705b3333403413b58f5
- https://git.kernel.org/stable/c/6d130db286ad0ea392c96ebb2551acf0d7308048
- https://git.kernel.org/stable/c/18ad4df091dd5d067d2faa8fce1180b79f7041a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54