What is CVE-2021-46909?

CVE-2021-46909 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.13 onward and patched in 4.14.232, 4.19.189, 5.4.114 and others. CVE-2021-46909 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-46909?

CVE-2021-46909 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2021-46909?

Yes, CVE-2021-46909 has been patched. Fixed versions include 4.14.232, 4.19.189, 5.4.114 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-46909 actively exploited?

CVE-2021-46909 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-46909

Medium

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.

Package Linux Kernel

Published 2024-02-27

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-754

CVE-2021-46909 is classified as CWE-754

See CWE-754 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.13 and later are affected. Fixed in 4.14.232, 4.19.189, 5.4.114, 5.10.32, 5.11.16, 5.12 and their respective stable series.

Affected from

≥ 4.13

Fixed in

✓ 4.14.232 4.14.x ✓ 4.19.189 4.19.x ✓ 5.4.114 5.4.x ✓ 5.10.32 5.10.x ✓ 5.11.16 5.11.x ✓ 5.12

References

6 total

Kernel Git
https://git.kernel.org/stable/c/1fc087fdb98d556b416c82ed6e3964a30885f47a

Patch
Kernel Git
https://git.kernel.org/stable/c/2643da6aa57920d9159a1a579fb04f89a2b0d29a

Patch
Kernel Git
https://git.kernel.org/stable/c/30e3b4f256b4e366a61658c294f6a21b8626dda7

Patch
Kernel Git
https://git.kernel.org/stable/c/532747fd5c7aaa17ee5cf79f3e947c31eb0e35cf

Patch
Kernel Git
https://git.kernel.org/stable/c/871b569a3e67f570df9f5ba195444dc7c621293b

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2021-46909

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-27

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2021-46909?

CVE-2021-46909 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.13 onward and has been patched in 4.14.232, 4.19.189, 5.4.114 and others. CVE-2021-46909 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-46909?

CVE-2021-46909 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2021-46909?

Yes. CVE-2021-46909 has been patched. Fixed versions include 4.14.232, 4.19.189, 5.4.114 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-46909 actively exploited?

No. CVE-2021-46909 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.