SB2025111317 - Use-after-free in Linux kernel char ipmi driver
Published: November 13, 2025
Security Bulletin ID
SB2025111317
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-40202)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the deliver_response(), ipmi_set_gets_events(), i_ipmi_request(), handle_ipmb_get_msg_cmd(), handle_ipmb_direct_rcv_cmd(), handle_lan_get_msg_cmd(), handle_oem_get_msg_cmd(), handle_read_event_rsp(), smi_work() and free_recv_msg() functions in drivers/char/ipmi/ipmi_msghandler.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5
- https://git.kernel.org/stable/c/348121b29594d42d1635648fd3ed31dfa25351d5
- https://git.kernel.org/stable/c/53d6e403affbf6df2c859a0ea00ccfc1e72090ca
- https://git.kernel.org/stable/c/b52da4054ee0bf9ecb44996f2c83236ff50b3812
- https://git.kernel.org/stable/c/f63723ca7d7623f9dae1990973cd158671f03c56