What is CVE-2021-46919?

CVE-2021-46919 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.6 onward and patched in 5.10.32, 5.11.16 and 5.12. CVE-2021-46919 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-46919?

CVE-2021-46919 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-2021-46919?

Yes, CVE-2021-46919 has been patched. Fixed versions include 5.10.32, 5.11.16 and 5.12. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-46919 actively exploited?

CVE-2021-46919 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-46919

Medium

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.

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

Affected versions

Linux kernel versions 5.6 and later are affected. Fixed in 5.10.32, 5.11.16, 5.12 and their respective stable series.

Affected from

≥ 5.6

Fixed in

✓ 5.10.32 5.10.x ✓ 5.11.16 5.11.x ✓ 5.12

References

3 total

Kernel Git
https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281

Patch
Kernel Git
https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd

Patch
Kernel Git
https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae

Patch

Details

CVE ID CVE-2021-46919

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-2021-46919?

CVE-2021-46919 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.32, 5.11.16 and 5.12. CVE-2021-46919 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-46919?

CVE-2021-46919 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-2021-46919?

Yes. CVE-2021-46919 has been patched. Fixed versions include 5.10.32, 5.11.16 and 5.12. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-46919 actively exploited?

No. CVE-2021-46919 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.