What is CVE-2022-48966?

CVE-2022-48966 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125), affecting Linux kernel versions from 4.5 onward and patched in 4.9.336, 4.14.302, 4.19.269 and others. CVE-2022-48966 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48966?

CVE-2022-48966 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-2022-48966?

Yes, CVE-2022-48966 has been patched. Fixed versions include 4.9.336, 4.14.302, 4.19.269 and others. If you are running Linux kernel 4.5 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48966 actively exploited?

CVE-2022-48966 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2022-48966

High

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevent out of bounds read in mvneta_config_rss() The pp->indir[0] value comes from the user. It is passed to: if (cpu_online(pp->rxq_def)) inside the mvneta_percpu_elect() function. It needs bounds checkeding to ensure that it is not beyond the end of the cpu bitmap.

Package Linux Kernel

Published 2024-10-21

Last modified 2024-10-25

CVSS version 3.1

Patch available

Yes

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-125

CVE-2022-48966 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.5 and later are affected. Fixed in 4.9.336, 4.14.302, 4.19.269, 5.4.227, 5.10.159, 5.15.83, 6.0.13, 6.1 and their respective stable series.

Affected from

≥ 4.5

Fixed in

✓ 4.9.336 4.9.x ✓ 4.14.302 4.14.x ✓ 4.19.269 4.19.x ✓ 5.4.227 5.4.x ✓ 5.10.159 5.10.x ✓ 5.15.83 5.15.x ✓ 6.0.13 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-48966 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/146ebee8fcdb349d7ec0e49915e6cdafb92544ae
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3ceffb8f410b93553fb16fe7e84aa0d35b3ba79b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/47a1a2f6cd5ec3a4f8a2d9bfa1e0605347cdb92c
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-48966

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-10-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48966?

CVE-2022-48966 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 4.5 onward and has been patched in 4.9.336, 4.14.302, 4.19.269 and others. CVE-2022-48966 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48966?

CVE-2022-48966 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-2022-48966?

Yes — CVE-2022-48966 has been patched. Fixed versions include 4.9.336, 4.14.302, 4.19.269 and others. If you are running Linux kernel 4.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48966 actively exploited?

No — CVE-2022-48966 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →