5.5
MEDIUM
CVE-2022-48772
Lgdt3306a Media Driver Null Pointer Dereference vulnerability in Linux
Description

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

INFO

Published Date :

June 25, 2024, 3:15 p.m.

Last Modified :

Sept. 3, 2024, 5:51 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-48772 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-48772 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-48772 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 03, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea No Types Assigned https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea Patch
    Changed Reference Type https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87 No Types Assigned https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87 Patch
    Changed Reference Type https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0 No Types Assigned https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0 Patch
    Changed Reference Type https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115 No Types Assigned https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115 Patch
    Changed Reference Type https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4 No Types Assigned https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4 Patch
    Changed Reference Type https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d No Types Assigned https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d Patch
    Changed Reference Type https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676 No Types Assigned https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676 Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.278 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.219 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.161 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.94 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.9.5
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 25, 2024

    Action Type Old Value New Value
    Added Description 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
    Added Reference kernel.org https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-48772 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-48772 weaknesses.

CVSS31 - Vulnerability Scoring System
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