What is CVE-2021-47101?

CVE-2021-47101 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10. CVE-2021-47101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47101?

CVE-2021-47101 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2021-47101?

No patch is currently available for CVE-2021-47101. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47101 actively exploited?

CVE-2021-47101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47101

High

In the Linux kernel, the following vulnerability has been resolved: asix: fix uninit-value in asix_mdio_read() asix_read_cmd() may read less than sizeof(smsr) bytes and in this case smsr will be uninitialized. Fail log: BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 BUG: KMSAN: uninit-value in asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497 asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497 asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497

Package Linux Kernel

Published 2024-03-04

Last modified 2025-02-03

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-908

CVE-2021-47101 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-47101 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/8035b1a2a37a29d8c717ef84fca8fe7278bc9f03
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d259f621c85949f30cc578cac813b82bb5169f56
Patch

Details

CVE ID CVE-2021-47101

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2024-03-04

Modified 2025-02-03

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47101?

CVE-2021-47101 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . CVE-2021-47101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47101?

CVE-2021-47101 has a CVSS score of 7.1 out of 10, rated High 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:H.
Is there a patch available for CVE-2021-47101?

No patch is currently available for CVE-2021-47101. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47101 actively exploited?

No — CVE-2021-47101 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.