CVE-2025-68204
Linux Kernel vulnerability analysis and mitigation

In the Linux kernel, the following vulnerability has been resolved:

pmdomain: arm: scmi: Fix genpd leak on provider registration failure

If of_genpd_add_provider_onecell() fails during probe, the previously created generic power domains are not removed, leading to a memory leak and potential kernel crash later in genpd_debug_add().

Add proper error handling to unwind the initialized domains before returning from probe to ensure all resources are correctly released on failure.

Example crash trace observed without this fix:

| Unable to handle kernel paging request at virtual address fffffffffffffc70 | CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.0-rc1 #405 PREEMPT | Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform | pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) | pc : genpd_debug_add+0x2c/0x160 | lr : genpd_debug_init+0x74/0x98 | Call trace: | genpd_debug_add+0x2c/0x160 (P) | genpd_debug_init+0x74/0x98 | do_one_initcall+0xd0/0x2d8 | do_initcall_level+0xa0/0x140 | do_initcalls+0x60/0xa8 | do_basic_setup+0x28/0x40 | kernel_init_freeable+0xe8/0x170 | kernel_init+0x2c/0x140 | ret_from_fork+0x10/0x20


SourceNVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-68753HIGH7.8
  • Linux KernelLinux Kernel
  • linux-fips
NoYesJan 05, 2026
CVE-2025-68756HIGH7.1
  • Linux KernelLinux Kernel
  • linux-gcp-fips
NoYesJan 05, 2026
CVE-2025-68764MEDIUM5.5
  • Linux KernelLinux Kernel
  • linux-oracle-6.8
NoYesJan 05, 2026
CVE-2025-68758MEDIUM5.5
  • Linux KernelLinux Kernel
  • linux-nvidia-6.8
NoYesJan 05, 2026
CVE-2025-68762N/AN/A
  • Linux KernelLinux Kernel
  • kernel-devel
NoYesJan 05, 2026

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