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CVE Vulnerability Details :
CVE-2026-46293
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
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
Details not found