What is CVE-2022-48856?

CVE-2022-48856 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 4.18 onward and patched in 4.19.235, 5.4.185, 5.10.106 and others. CVE-2022-48856 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48856?

CVE-2022-48856 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:N/I:N/A:H.

Is there a patch available for CVE-2022-48856?

Yes, CVE-2022-48856 has been patched. Fixed versions include 4.19.235, 5.4.185, 5.10.106 and others. If you are running Linux kernel 4.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48856 actively exploited?

CVE-2022-48856 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2022-48856

Medium

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fix refcount leak in gfar_get_ts_info The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.

Package Linux Kernel

Published 2024-07-16

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

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2022-48856 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.18 and later are affected. Fixed in 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17 and their respective stable series.

Affected from

≥ 4.18

Fixed in

✓ 4.19.235 4.19.x ✓ 5.4.185 5.4.x ✓ 5.10.106 5.10.x ✓ 5.15.29 5.15.x ✓ 5.16.15 5.16.x ✓ 5.17

References

6 total

Kernel Git
https://git.kernel.org/stable/c/0e1b9a2078e07fb1e6e91bf8badfd89ecab1e848

Patch
Kernel Git
https://git.kernel.org/stable/c/21044e679ed535345042d2023f7df0ca8e897e2a

Patch
Kernel Git
https://git.kernel.org/stable/c/2ac5b58e645c66932438bb021cb5b52097ce70b0

Patch
Kernel Git
https://git.kernel.org/stable/c/6263f2eb93a85ad7df504daf0c341a7fb6bbe8a6

Patch
Kernel Git
https://git.kernel.org/stable/c/f49f646f9ec296fc0afe7ae92c2bb47f23e3846c

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2022-48856

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-16

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48856?

CVE-2022-48856 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 4.18 onward and has been patched in 4.19.235, 5.4.185, 5.10.106 and others. CVE-2022-48856 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48856?

CVE-2022-48856 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:N/I:N/A:H.
Is there a patch available for CVE-2022-48856?

Yes. CVE-2022-48856 has been patched. Fixed versions include 4.19.235, 5.4.185, 5.10.106 and others. If you are running Linux kernel 4.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48856 actively exploited?

No. CVE-2022-48856 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.