Bug 2383517 (CVE-2025-38446) - CVE-2025-38446 kernel: clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data
Summary: CVE-2025-38446 kernel: clk: imx: Fix an out-of-bounds access in dispmix_csr_c...
Keywords:
Status: NEW
Alias: CVE-2025-38446
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: 2025-07-25 16:03 UTC by OSIDB Bzimport
Modified: 2025-07-25 16:54 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2025-07-25 16:03:49 UTC 
In the Linux kernel, the following vulnerability has been resolved:

clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data

When num_parents is 4, __clk_register() occurs an out-of-bounds
when accessing parent_names member. Use ARRAY_SIZE() instead of
hardcode number here.

 BUG: KASAN: global-out-of-bounds in __clk_register+0x1844/0x20d8
 Read of size 8 at addr ffff800086988e78 by task kworker/u24:3/59
  Hardware name: NXP i.MX95 19X19 board (DT)
  Workqueue: events_unbound deferred_probe_work_func
  Call trace:
    dump_backtrace+0x94/0xec
    show_stack+0x18/0x24
    dump_stack_lvl+0x8c/0xcc
    print_report+0x398/0x5fc
    kasan_report+0xd4/0x114
    __asan_report_load8_noabort+0x20/0x2c
    __clk_register+0x1844/0x20d8
    clk_hw_register+0x44/0x110
    __clk_hw_register_mux+0x284/0x3a8
    imx95_bc_probe+0x4f4/0xa70
Comment 1 Jon Moroney 2025-07-25 16:52:08 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025072503-CVE-2025-38446-492b@gregkh/T
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