CVE-2026-80614 PUBLISHED

net: emac: Fix NULL pointer dereference in emac_probe

Assigner: Linux
Reserved: 26.08.2026 Published: 28.08.2026 Updated: 28.08.2026

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

net: emac: Fix NULL pointer dereference in emac_probe

Move devm_request_irq() after devm_platform_ioremap_resource() so that dev->emacp is mapped before the interrupt handler can fire. An early interrupt hitting emac_irq() would dereference the NULL dev->emacp and crash.

Also remove redundant error message. devm_platform_ioremap_resource() already returns an error message with dev_err_probe().

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from dcc34ef7c83473222027f475014a2bf8ab798372 to a103cdb0681e7185d1b0a12ce6a7c5416c208ccd (excl.)
  • affected from dcc34ef7c83473222027f475014a2bf8ab798372 to 44068b6863fbda78fc810921ddf61642c377b3ca (excl.)
  • affected from dcc34ef7c83473222027f475014a2bf8ab798372 to f623d38fe6c4e8c40b23f42cc6fe6963fa49997b (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.12 is affected
  • unaffected from 0 to 6.12 (excl.)
  • unaffected from 6.18.40 to 6.18.* (incl.)
  • unaffected from 7.1.5 to 7.1.* (incl.)
  • unaffected from 7.2 to * (incl.)

References