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THREATINT
PUBLISHED

CVE-2025-37815

misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration



Description

In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration Resolve kernel panic while accessing IRQ handler associated with the generated IRQ. This is done by acquiring the spinlock and storing the current interrupt state before handling the interrupt request using generic_handle_irq. A previous fix patch was submitted where 'generic_handle_irq' was replaced with 'handle_nested_irq'. However, this change also causes the kernel panic where after determining which GPIO triggered the interrupt and attempting to call handle_nested_irq with the mapped IRQ number, leads to a failure in locating the registered handler.

Reserved 2025-04-16 | Published 2025-05-08 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

79aef6187e16b2d32307c8ff610e9e04f7f86e1f before 1263d5f581908602c618c6665e683c4436383a09
affected

25692750c0259c5b65afec467d97201a485e8a00 before 62957f58ab3aa7fa792dc6ff3575624062539a4d
affected

47d3749ec0cb56b7b98917c190a8c10cb54216fd before 12cc2193f2b9548e8ea5fbce8201b44158222edf
affected

194f9f94a5169547d682e9bbcc5ae6d18a564735 before 4e02059dc91068bc5017b8546f9ec3b930f6d6a6
affected

194f9f94a5169547d682e9bbcc5ae6d18a564735 before 18eb77c75ed01439f96ae5c0f33461eb5134b907
affected

Default status
affected

6.13
affected

Any version before 6.13
unaffected

6.1.136
unaffected

6.6.89
unaffected

6.12.26
unaffected

6.14.5
unaffected

6.15
unaffected

References

git.kernel.org/...c/1263d5f581908602c618c6665e683c4436383a09

git.kernel.org/...c/62957f58ab3aa7fa792dc6ff3575624062539a4d

git.kernel.org/...c/12cc2193f2b9548e8ea5fbce8201b44158222edf

git.kernel.org/...c/4e02059dc91068bc5017b8546f9ec3b930f6d6a6

git.kernel.org/...c/18eb77c75ed01439f96ae5c0f33461eb5134b907

cve.org (CVE-2025-37815)

nvd.nist.gov (CVE-2025-37815)

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