#VU108436 Use-after-free in Linux kernel - CVE-2023-53063
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108436
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-2023-53063
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 btsdio_remove() function in drivers/bluetooth/btsdio.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/1e9ac114c4428fdb7ff4635b45d4f46017e8916f
- https://git.kernel.org/stable/c/8efae2112d910d8e5166dd0a836791b08721eef1
- https://git.kernel.org/stable/c/95eacef5692545f199fae4e52abfbfa273acb351
- https://git.kernel.org/stable/c/a18fb433ceb56e0787546a9d77056dd0f215e762
- https://git.kernel.org/stable/c/af4d48754d5517d33bac5e504ff1f1de0808e29e
- https://git.kernel.org/stable/c/c59c65a14e8f7d738429648833f3bb3f9df0513f
- https://git.kernel.org/stable/c/cbf8deacb7053ce3e3fed64b277c6c6989e65bba
- https://git.kernel.org/stable/c/da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177