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Vulnerability Details :

CVE-2026-46293

Summary
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At-08 Jun, 2026 | 15:46
Updated At-08 Jun, 2026 | 15:46
Rejected At-
Credits

clk: microchip: mpfs-ccc: fix out of bounds access during output registration

In the Linux kernel, the following vulnerability has been resolved: clk: microchip: mpfs-ccc: fix out of bounds access during output registration UBSAN reported an out of bounds access during registration of the last two outputs. This out of bounds access occurs because space is only allocated in the hws array for two PLLs and the four output dividers that each has, but the defined IDs contain two DLLS and their two outputs each, which are not supported by the driver. The ID order is PLLs -> DLLs -> PLL outputs -> DLL outputs. Decrement the PLL output IDs by two while adding them to the array to avoid the problem.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Linux
Assigner Org ID:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:08 Jun, 2026 | 15:46
Updated At:08 Jun, 2026 | 15:46
Rejected At:
▼CVE Numbering Authority (CNA)
clk: microchip: mpfs-ccc: fix out of bounds access during output registration

In the Linux kernel, the following vulnerability has been resolved: clk: microchip: mpfs-ccc: fix out of bounds access during output registration UBSAN reported an out of bounds access during registration of the last two outputs. This out of bounds access occurs because space is only allocated in the hws array for two PLLs and the four output dividers that each has, but the defined IDs contain two DLLS and their two outputs each, which are not supported by the driver. The ID order is PLLs -> DLLs -> PLL outputs -> DLL outputs. Decrement the PLL output IDs by two while adding them to the array to avoid the problem.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/clk/microchip/clk-mpfs-ccc.c
Default Status
unaffected
Versions
Affected
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before 9ed9b580a814773482c0a4f1be045636e68cc109 (git)
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before 47bc7a03449c39805bc2665d3e57c73195d5bcf8 (git)
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before dbfcb09656cb30439577325c9dea2250203c2e3c (git)
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before a0780aeea166a7cf4706c45af4cadbb2a43a1fc9 (git)
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before f24efd415455b98a1f1cfc6071fe6fde71986706 (git)
  • From d39fb172760e426e0628f16b785c85e16d17bd5e before 2f7ae8ab6aa73daaf080d5332110357c29df9c36 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/clk/microchip/clk-mpfs-ccc.c
Default Status
affected
Versions
Affected
  • 6.1
Unaffected
  • From 0 before 6.1 (semver)
  • From 6.1.175 through 6.1.* (semver)
  • From 6.6.140 through 6.6.* (semver)
  • From 6.12.88 through 6.12.* (semver)
  • From 6.18.30 through 6.18.* (semver)
  • From 7.0.7 through 7.0.* (semver)
  • From 7.1-rc1 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://git.kernel.org/stable/c/9ed9b580a814773482c0a4f1be045636e68cc109
N/A
https://git.kernel.org/stable/c/47bc7a03449c39805bc2665d3e57c73195d5bcf8
N/A
https://git.kernel.org/stable/c/dbfcb09656cb30439577325c9dea2250203c2e3c
N/A
https://git.kernel.org/stable/c/a0780aeea166a7cf4706c45af4cadbb2a43a1fc9
N/A
https://git.kernel.org/stable/c/f24efd415455b98a1f1cfc6071fe6fde71986706
N/A
https://git.kernel.org/stable/c/2f7ae8ab6aa73daaf080d5332110357c29df9c36
N/A
Hyperlink: https://git.kernel.org/stable/c/9ed9b580a814773482c0a4f1be045636e68cc109
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/47bc7a03449c39805bc2665d3e57c73195d5bcf8
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/dbfcb09656cb30439577325c9dea2250203c2e3c
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/a0780aeea166a7cf4706c45af4cadbb2a43a1fc9
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/f24efd415455b98a1f1cfc6071fe6fde71986706
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/2f7ae8ab6aa73daaf080d5332110357c29df9c36
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:08 Jun, 2026 | 17:16
Updated At:08 Jun, 2026 | 17:16

In the Linux kernel, the following vulnerability has been resolved: clk: microchip: mpfs-ccc: fix out of bounds access during output registration UBSAN reported an out of bounds access during registration of the last two outputs. This out of bounds access occurs because space is only allocated in the hws array for two PLLs and the four output dividers that each has, but the defined IDs contain two DLLS and their two outputs each, which are not supported by the driver. The ID order is PLLs -> DLLs -> PLL outputs -> DLL outputs. Decrement the PLL output IDs by two while adding them to the array to avoid the problem.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
CPE Matches

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://git.kernel.org/stable/c/2f7ae8ab6aa73daaf080d5332110357c29df9c36416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/47bc7a03449c39805bc2665d3e57c73195d5bcf8416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/9ed9b580a814773482c0a4f1be045636e68cc109416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/a0780aeea166a7cf4706c45af4cadbb2a43a1fc9416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/dbfcb09656cb30439577325c9dea2250203c2e3c416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/f24efd415455b98a1f1cfc6071fe6fde71986706416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
Hyperlink: https://git.kernel.org/stable/c/2f7ae8ab6aa73daaf080d5332110357c29df9c36
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/47bc7a03449c39805bc2665d3e57c73195d5bcf8
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/9ed9b580a814773482c0a4f1be045636e68cc109
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/a0780aeea166a7cf4706c45af4cadbb2a43a1fc9
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/dbfcb09656cb30439577325c9dea2250203c2e3c
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/f24efd415455b98a1f1cfc6071fe6fde71986706
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A

Change History

0
Information is not available yet

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