CVE-2026-43372

Summary

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

net: dsa: microchip: Fix error path in PTP IRQ setup

If request_threaded_irq() fails during the PTP message IRQ setup, the newly created IRQ mapping is never disposed. Indeed, the ksz_ptp_irq_setup()'s error path only frees the mappings that were successfully set up.

Dispose the newly created mapping if the associated request_threaded_irq() fails at setup.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3b5a6115d6ea45df1ea65dc9b832b23db5d593ba < 3704ac6a0d9a78f66a187515a8ca3faedaf01cc5affected
LinuxLinux1ba6da6ca3db76f6a39004fd33a9c990e428515e < e80fef36c676c947072dabeb5803ae59d92ba493affected
LinuxLinuxd0b8fec8ae50525b57139393d0bb1f446e82ff7e < 6c58a9fdb0d0e1011aa02455d26d6ebea251979baffected
LinuxLinuxd0b8fec8ae50525b57139393d0bb1f446e82ff7e < c2d1d41e0e8ec447d40a5752844fc5fb0b23db27affected
LinuxLinuxd0b8fec8ae50525b57139393d0bb1f446e82ff7e < 99c8c16a4aad0b37293cae213e15957c573cf79baffected
LinuxLinuxae12e4e0ca231475bcef841c6a6722fa185fd520affected
LinuxLinux6.6.119 < 6.6.130affected
LinuxLinux6.12.61 < 6.12.78affected
LinuxLinux6.17.11 < 6.18affected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.6.130 <= 6.6.*unaffected
LinuxLinux6.12.78 <= 6.12.*unaffected
LinuxLinux6.18.19 <= 6.18.*unaffected
LinuxLinux6.19.9 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References