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CVE-2025-39752· NVD / CVE Program· CNA Linux

ARM: rockchip: fix kernel hang during smp initialization

In the Linux kernel, the following vulnerability has been resolved: ARM: rockchip: fix kernel hang during smp initialization In order to bring up secondary CPUs main CPU write trampoline code to SRAM. The trampoline code is written while secondary CPUs are powered on (at least that true for RK3188 CPU). Sometimes that leads to kernel hang. Probably because secondary CPU execute trampoline code while kernel doesn't expect. The patch moves SRAM initialization step to the point where all secondary CPUs are powered down. That fixes rarely hangs on RK3188: [ 0.091568] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.091996] rockchip_smp_prepare_cpus: ncores 4

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Sep 11, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 6th percentile
CWE
—
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
linuxlinux kernel
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux11.0
  • linux linux kernel5.5 and later · before 5.10.241
  • linux linux kernel5.11 and later · before 5.15.190
  • linux linux kernel5.16 and later · before 6.1.149
  • linux linux kernel3.19 and later · before 5.4.297
  • linux linux kernel6.7 and later · before 6.12.43
  • linux linux kernel6.13 and later · before 6.15.11
  • linux linux kernel6.16 and later · before 6.16.2
  • linux linux kernel6.2 and later · before 6.6.103

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 3.19affected
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 3c6bf7a324b8995b9c7d790c8d2abf0668f51551affected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 888a453c2a239765a7ab4de8a3cedae2e3802528affected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before c0726d1e466e2d0da620836e293a59e6427ccdffaffected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 265583266d93db4ff83d088819b1f63fdf0131dbaffected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before d7d6d076ee9532c4668f14696a35688d35dd16f4affected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 0223a3683d502b7e5eb2eb4ad7e97363fa88d531affected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 47769dab9073a73e127aa0bfd0ba4c51eaccdc33affected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 1eb67589a7e091b1e5108aab72fddbf4dc69af2caffected · git
    • 3ee851e212d0bb6be8c462059fba74ce2e3f6064 and later · before 7cdb433bb44cdc87dc5260cdf15bf03cc1cd1814affected · git

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.153-16.1.153-1
Debian:13linuxbefore 6.12.43-16.12.43-1
Debian:14linuxbefore 6.16.3-16.16.3-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now
  • CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV
    77This week
  • CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV
    77This week
  • CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV
    77This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux0223a3683d502b7e5eb2eb4ad7e97363fa88d531Vendor (CNA)
Linux Linux1eb67589a7e091b1e5108aab72fddbf4dc69af2cVendor (CNA)
Linux Linux265583266d93db4ff83d088819b1f63fdf0131dbVendor (CNA)
Linux Linux3c6bf7a324b8995b9c7d790c8d2abf0668f51551Vendor (CNA)
Linux Linux47769dab9073a73e127aa0bfd0ba4c51eaccdc33Vendor (CNA)
Linux Linux7cdb433bb44cdc87dc5260cdf15bf03cc1cd1814Vendor (CNA)
Linux Linux888a453c2a239765a7ab4de8a3cedae2e3802528Vendor (CNA)
Linux Linuxc0726d1e466e2d0da620836e293a59e6427ccdffVendor (CNA)
Linux Linuxd7d6d076ee9532c4668f14696a35688d35dd16f4Vendor (CNA)
debian:linux6.1.153-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records