CVE-2025-38487 soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled
A local attacker can trigger a kernel crash by unbinding the Aspeed LPC snoop driver, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38487?
CVE-2025-38487 is a medium-severity vulnerability in Debian Debian Linux, published on 28 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled
Mitigate e.g. the following:
# echo 1e789080.lpc-snoop > /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind ... [ 120.363594] Unable to handle kernel NULL pointer dereference at virtual address 00000004 when write [ 120.373866] [00000004] *pgd=00000000 [ 120.377910] Internal error: Oops: 805 [#1] SMP ARM [ 120.383306] CPU: 1 UID: 0 PID: 315 Comm: sh Not tainted 6.15.0-rc1-00009-g926217bc7d7d-dirty #20 NONE ... [ 120.679543] Call trace: [ 120.679559] misc_deregister from aspeed_lpc_snoop_remove+0x84/0xac [ 120.692462] aspeed_lpc_snoop_remove from platform_remove+0x28/0x38 [ 120.700996] platform_remove from device_release_driver_internal+0x188/0x200 ...
Weakness: CWE-476
Which versions are affected by CVE-2025-38487?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38487?
Apply the vendor's patch.
Is CVE-2025-38487 being exploited?
There is no known exploitation of CVE-2025-38487 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-65931, BELL-CVE-2025-38487, DEBIAN-CVE-2025-38487, GHSA-8r68-wg38-9q2x, ROOT-OS-DEBIAN-11-CVE-2025-38487, ROOT-OS-DEBIAN-12-CVE-2025-38487 and 3 more.