What is CVE-2022-48749?

CVE-2022-48749 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 5.8 onward and patched in 5.10.96, 5.15.19, 5.16.5 and others. CVE-2022-48749 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48749?

CVE-2022-48749 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-2022-48749?

Yes, CVE-2022-48749 has been patched. Fixed versions include 5.10.96, 5.15.19, 5.16.5 and others. If you are running Linux kernel 5.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48749 actively exploited?

CVE-2022-48749 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-2022-48749

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: invalid parameter check in dpu_setup_dspp_pcc The function performs a check on the "ctx" input parameter, however, it is used before the check. Initialize the "base" variable after the sanity check to avoid a possible NULL pointer dereference. Addresses-Coverity-ID: 1493866 ("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-2022-48749 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 5.8 and later are affected. Fixed in 5.10.96, 5.15.19, 5.16.5, 5.17 and their respective stable series.

Affected from

≥ 5.8

Fixed in

✓ 5.10.96 5.10.x ✓ 5.15.19 5.15.x ✓ 5.16.5 5.16.x ✓ 5.17

References

4 total

Kernel Git
https://git.kernel.org/stable/c/170b22234d5495f5e0844246e23f004639ee89ba

Patch
Kernel Git
https://git.kernel.org/stable/c/1ebc18836d5df09061657f8c548e594cbb519476

Patch
Kernel Git
https://git.kernel.org/stable/c/8f069f6dde518dfebe86e848508c07e497bd9298

Patch
Kernel Git
https://git.kernel.org/stable/c/93a6e920d8ccb4df846c03b6e72f7e08843d294c

Patch

Details

CVE ID CVE-2022-48749

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-2022-48749?

CVE-2022-48749 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 5.8 onward and has been patched in 5.10.96, 5.15.19, 5.16.5 and others. CVE-2022-48749 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48749?

CVE-2022-48749 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-2022-48749?

Yes. CVE-2022-48749 has been patched. Fixed versions include 5.10.96, 5.15.19, 5.16.5 and others. If you are running Linux kernel 5.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48749 actively exploited?

No. CVE-2022-48749 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.