What is CVE-2021-46917?

CVE-2021-46917 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.7.10 onward and patched in 5.10.32, 5.11.16 and 5.12. CVE-2021-46917 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-46917?

CVE-2021-46917 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:H/I:N/A:N.

Is there a patch available for CVE-2021-46917?

Yes, CVE-2021-46917 has been patched. Fixed versions include 5.10.32, 5.11.16 and 5.12. If you are running Linux kernel 5.7.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-46917 actively exploited?

CVE-2021-46917 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-46917

Medium

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq cleanup of WQCFG registers A pre-release silicon erratum workaround where wq reset does not clear WQCFG registers was leaked into upstream code. Use wq reset command instead of blasting the MMIO region. This also address an issue where we clobber registers in future devices.

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

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-668

CVE-2021-46917 is classified as CWE-668

See CWE-668 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.7.10, 5.8 and later are affected. Fixed in 5.10.32, 5.11.16, 5.12 and their respective stable series.

Affected from

≥ 5.7.10 ≥ 5.8

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/e5eb9757fe4c2392e069246ae78badc573af1833

Patch
Kernel Git
https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a

Patch
Kernel Git
https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9

Patch

Details

CVE ID CVE-2021-46917

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-2021-46917?

CVE-2021-46917 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.7.10 onward and has been patched in 5.10.32, 5.11.16 and 5.12. CVE-2021-46917 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-46917?

CVE-2021-46917 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:H/I:N/A:N.
Is there a patch available for CVE-2021-46917?

Yes. CVE-2021-46917 has been patched. Fixed versions include 5.10.32, 5.11.16 and 5.12. If you are running Linux kernel 5.7.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-46917 actively exploited?

No. CVE-2021-46917 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.