CVE-2021-46909

Summary

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

ARM: footbridge: fix PCI interrupt mapping

Since commit 30fdfb929e82 ("PCI: Add a call to pci_assign_irq() in pci_device_probe()"), the PCI code will call the IRQ mapping function whenever a PCI driver is probed. If these are marked as __init, this causes an oops if a PCI driver is loaded or bound after the kernel has initialised.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < 532747fd5c7aaa17ee5cf79f3e947c31eb0e35cfaffected
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < 2643da6aa57920d9159a1a579fb04f89a2b0d29aaffected
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < 871b569a3e67f570df9f5ba195444dc7c621293baffected
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < 1fc087fdb98d556b416c82ed6e3964a30885f47aaffected
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < c3efce8cc9807339633ee30e39882f4c8626ee1daffected
LinuxLinux30fdfb929e82450bbf3d0e0aba56efbc29b52b52 < 30e3b4f256b4e366a61658c294f6a21b8626dda7affected
LinuxLinux4.13affected
LinuxLinux0 < 4.13unaffected
LinuxLinux4.14.232 <= 4.14.*unaffected
LinuxLinux4.19.189 <= 4.19.*unaffected
LinuxLinux5.4.114 <= 5.4.*unaffected
LinuxLinux5.10.32 <= 5.10.*unaffected
LinuxLinux5.11.16 <= 5.11.*unaffected
LinuxLinux5.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References