What is CVE-2021-46909?

CVE-2021-46909 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2024-02-27.

How severe is CVE-2021-46909?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2021-46909

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.

EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 30fdfb929e82450bbf3d0e0aba56efbc29b52b52, 4.13, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-46909?: CVE-2021-46909 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2024-02-27.
How severe is CVE-2021-46909?: Medium severity. CVSS v3 base score is 5.5 out of 10.