What is CVE-2022-48772?

CVE-2022-48772 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 4.11 onward and patched in 5.4.278, 5.10.219, 5.15.161 and others. CVE-2022-48772 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48772?

CVE-2022-48772 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-2022-48772?

Yes, CVE-2022-48772 has been patched. Fixed versions include 5.4.278, 5.10.219, 5.15.161 and others. If you are running Linux kernel 4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48772 actively exploited?

CVE-2022-48772 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-2022-48772

Medium

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 [ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414 [ 29.612820] Call Trace: [ 29.613030] <TASK> [ 29.613201] dump_stack_lvl+0x56/0x6f [ 29.613496] ? kmemdup+0x30/0x40 [ 29.613754] print_report.cold+0x494/0x6b7 [ 29.614082] ? kmemdup+0x30/0x40 [ 29.614340] kasan_report+0x8a/0x190 [ 29.614628] ? kmemdup+0x30/0x40 [ 29.614888] kasan_check_range+0x14d/0x1d0 [ 29.615213] memcpy+0x20/0x60 [ 29.615454] kmemdup+0x30/0x40 [ 29.615700] lgdt3306a_probe+0x52/0x310 [ 29.616339] i2c_device_probe+0x951/0xa90

Package Linux Kernel

Published 2024-06-25

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-2022-48772 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 4.11 and later are affected. Fixed in 5.4.278, 5.10.219, 5.15.161, 6.1.94, 6.6.34, 6.9.5, 6.10 and their respective stable series.

Affected from

≥ 4.11

Fixed in

✓ 5.4.278 5.4.x ✓ 5.10.219 5.10.x ✓ 5.15.161 5.15.x ✓ 6.1.94 6.1.x ✓ 6.6.34 6.6.x ✓ 6.9.5 6.9.x ✓ 6.10

References

7 total

Kernel Git
https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea

Patch
Kernel Git
https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87

Patch
Kernel Git
https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0

Patch
Kernel Git
https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115

Patch
Kernel Git
https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2022-48772

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-25

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48772?

CVE-2022-48772 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 4.11 onward and has been patched in 5.4.278, 5.10.219, 5.15.161 and others. CVE-2022-48772 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48772?

CVE-2022-48772 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-2022-48772?

Yes. CVE-2022-48772 has been patched. Fixed versions include 5.4.278, 5.10.219, 5.15.161 and others. If you are running Linux kernel 4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48772 actively exploited?

No. CVE-2022-48772 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.