What is CVE-2022-48626?

CVE-2022-48626 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 3.16 onward and patched in 4.9.301, 4.14.266, 4.19.229 and others. CVE-2022-48626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48626?

CVE-2022-48626 has a CVSS score of 7.8 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:H/A:H.

Is there a patch available for CVE-2022-48626?

Yes, CVE-2022-48626 has been patched. Fixed versions include 4.9.301, 4.14.266, 4.19.229 and others. If you are running Linux kernel 3.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48626 actively exploited?

CVE-2022-48626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-48626

High

In the Linux kernel, the following vulnerability has been resolved: moxart: fix potential use-after-free on remove path It was reported that the mmc host structure could be accessed after it was freed in moxart_remove(), so fix this by saving the base register of the device and using it instead of the pointer dereference.

Package Linux Kernel

Published 2024-02-26

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-48626 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 3.16 and later are affected. Fixed in 4.9.301, 4.14.266, 4.19.229, 5.4.179, 5.10.100, 5.15.23, 5.16.9, 5.17 and their respective stable series.

Affected from

≥ 3.16

Fixed in

✓ 4.9.301 4.9.x ✓ 4.14.266 4.14.x ✓ 4.19.229 4.19.x ✓ 5.4.179 5.4.x ✓ 5.10.100 5.10.x ✓ 5.15.23 5.15.x ✓ 5.16.9 5.16.x ✓ 5.17

References

8 total

Kernel Git
https://git.kernel.org/stable/c/3a0a7ec5574b510b067cfc734b8bdb6564b31d4e

Patch
Kernel Git
https://git.kernel.org/stable/c/7f901d53f120d1921f84f7b9b118e87e94b403c5

Patch
Kernel Git
https://git.kernel.org/stable/c/9c25d5ff1856b91bd4365e813f566cb59aaa9552

Patch
Kernel Git
https://git.kernel.org/stable/c/af0e6c49438b1596e4be8a267d218a0c88a42323

Patch
Kernel Git
https://git.kernel.org/stable/c/bd2db32e7c3e35bd4d9b8bbff689434a50893546

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2022-48626

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-02-26

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48626?

CVE-2022-48626 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 3.16 onward and has been patched in 4.9.301, 4.14.266, 4.19.229 and others. CVE-2022-48626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48626?

CVE-2022-48626 has a CVSS score of 7.8 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:H/A:H.
Is there a patch available for CVE-2022-48626?

Yes. CVE-2022-48626 has been patched. Fixed versions include 4.9.301, 4.14.266, 4.19.229 and others. If you are running Linux kernel 3.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48626 actively exploited?

No. CVE-2022-48626 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.