Use-after-free in Linux kernel - CVE-2024-46745
Published: September 18, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97493
CSH Severity: 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-2024-46745
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 uinput_validate_absinfo() function in drivers/input/misc/uinput.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/9c6d189f0c1c59ba9a32326ec82a0b367a3cd47b
- https://git.kernel.org/stable/c/597ff930296c4c8fc6b6a536884d4f1a7187ec70
- https://git.kernel.org/stable/c/51fa08edd80003db700bdaa099385c5900d27f4b
- https://git.kernel.org/stable/c/9719687398dea8a6a12a10321a54dd75eec7ab2d
- https://git.kernel.org/stable/c/61df76619e270a46fd427fbdeb670ad491c42de2
- https://git.kernel.org/stable/c/a4858b00a1ec57043697fb935565fe267f161833
- https://git.kernel.org/stable/c/d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7
- https://git.kernel.org/stable/c/206f533a0a7c683982af473079c4111f4a0f9f5e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51