What is CVE-2022-48646?

CVE-2022-48646 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 5.10 onward and patched in 5.19.12 and 6.0. CVE-2022-48646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48646?

CVE-2022-48646 has a CVSS score of 6.2 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-48646?

Yes, CVE-2022-48646 has been patched. Fixed versions include 5.19.12 and 6.0. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48646 actively exploited?

CVE-2022-48646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2022-48646

Medium

In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efx_hard_start_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.

Package Linux Kernel

Published 2024-04-28

Last modified 2025-03-20

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

6.2

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2022-48646 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.10 and later are affected. Fixed in 5.19.12, 6.0 and their respective stable series.

Affected from

≥ 5.10

Fixed in

✓ 5.19.12 5.19.x ✓ 6.0

References

2 total

Kernel Git
https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa

Patch
Kernel Git
https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a

Patch

Details

CVE ID CVE-2022-48646

Severity Medium

CVSS score 6.2 / 10

CVSS version 3.1

Published 2024-04-28

Modified 2025-03-20

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48646?

CVE-2022-48646 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 5.10 onward and has been patched in 5.19.12 and 6.0. CVE-2022-48646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48646?

CVE-2022-48646 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-48646?

Yes. CVE-2022-48646 has been patched. Fixed versions include 5.19.12 and 6.0. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48646 actively exploited?

No. CVE-2022-48646 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.