#VU108230 Use-after-free in Linux kernel - CVE-2022-49910
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108230
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-2022-49910
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 l2cap_rx_state_recv(), l2cap_rx() and l2cap_stream_rx() functions in net/bluetooth/l2cap_core.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/03af22e23b96fb7ef75fb7885407ef457e8b403d
- https://git.kernel.org/stable/c/3aff8aaca4e36dc8b17eaa011684881a80238966
- https://git.kernel.org/stable/c/4cd094fd5d872862ca278e15b9b51b07e915ef3f
- https://git.kernel.org/stable/c/6c7407bfbeafc80a04e6eaedcf34d378532a04f2
- https://git.kernel.org/stable/c/8278a87bb1eeea94350d675ef961ee5a03341fde
- https://git.kernel.org/stable/c/9a04161244603f502c6e453913e51edd59cb70c1
- https://git.kernel.org/stable/c/cb1c012099ef5904cd468bdb8d6fcdfdd9bcb569
- https://git.kernel.org/stable/c/dc30e05bb18852303084430c03ca76e69257d9ea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.333