Bug 2383917 (CVE-2025-38487) - CVE-2025-38487 kernel: soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled
Summary: CVE-2025-38487 kernel: soc: aspeed: lpc-snoop: Don't disable channels that ar...
Keywords:
Status: NEW
Alias: CVE-2025-38487
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-07-28 12:03 UTC by OSIDB Bzimport
Modified: 2025-07-28 17:50 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description OSIDB Bzimport 2025-07-28 12:03:15 UTC
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
    ...

Comment 1 Avinash Hanwate 2025-07-28 17:47:52 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025072816-CVE-2025-38487-1ffa@gregkh/T


Note You need to log in before you can comment on or make changes to this bug.