What is CVE-2022-48756?

CVE-2022-48756 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 4.3 onward and patched in 4.14.265, 4.19.228, 5.4.176 and others. CVE-2022-48756 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48756?

CVE-2022-48756 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-2022-48756?

Yes, CVE-2022-48756 has been patched. Fixed versions include 4.14.265, 4.19.228, 5.4.176 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48756 actively exploited?

CVE-2022-48756 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-2022-48756

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: invalid parameter check in msm_dsi_phy_enable The function performs a check on the "phy" input parameter, however, it is used before the check. Initialize the "dev" variable after the sanity check to avoid a possible NULL pointer dereference. Addresses-Coverity-ID: 1493860 ("Null pointer dereference")

Package Linux Kernel

Published 2024-06-20

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-476

CVE-2022-48756 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 4.3 and later are affected. Fixed in 4.14.265, 4.19.228, 5.4.176, 5.10.96, 5.15.19, 5.16.5, 5.17 and their respective stable series.

Affected from

≥ 4.3

Fixed in

✓ 4.14.265 4.14.x ✓ 4.19.228 4.19.x ✓ 5.4.176 5.4.x ✓ 5.10.96 5.10.x ✓ 5.15.19 5.15.x ✓ 5.16.5 5.16.x ✓ 5.17

References

7 total

Kernel Git
https://git.kernel.org/stable/c/2b7e7df1eacd280e561ede3e977853606871c951

Patch
Kernel Git
https://git.kernel.org/stable/c/56480fb10b976581a363fd168dc2e4fbee87a1a7

Patch
Kernel Git
https://git.kernel.org/stable/c/581317b1f001b7509041544d7019b75571daa100

Patch
Kernel Git
https://git.kernel.org/stable/c/5e761a2287234bc402ba7ef07129f5103bcd775c

Patch
Kernel Git
https://git.kernel.org/stable/c/6d9f8ba28f3747ca0f910a363e46f1114856dbbe

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2022-48756

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-20

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48756?

CVE-2022-48756 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 4.3 onward and has been patched in 4.14.265, 4.19.228, 5.4.176 and others. CVE-2022-48756 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48756?

CVE-2022-48756 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-2022-48756?

Yes. CVE-2022-48756 has been patched. Fixed versions include 4.14.265, 4.19.228, 5.4.176 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48756 actively exploited?

No. CVE-2022-48756 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.