CVE-2022-48772

Advisory lineage Upstream: 0 Downstream: 38
Modified
Published: 25 Jun 2024, 14:22
Last modified:11 May 2026, 18:46

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Jun 2024, 14:22
Published
Vulnerability first disclosed
11 May 2026, 18:46
Last Modified
Vulnerability information updated

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

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 5%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linux•linux

    ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 8915dcd29a82096acacf54364a8425363782aea0 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < b479fd59a1f4a342b69fce34f222d93bf791dca4 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 526238d32c3acc3d597fd8c9a34652bfe9086cea | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < d082757b8359201c3864323cea4b91ea30a1e676 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 7d12e918f2994c883f41f22552a61b9310fa1e87 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 8e1e00718d0d9dd83337300572561e30b9c0d115 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < c1115ddbda9c930fba0fdd062e7a8873ebaf898d | 4.11

  • linux•linux_kernel

    < 5.4.278 | ≥ 5.5, < 5.10.219 | ≥ 5.11, < 5.15.161 | ≥ 5.16, < 6.1.94 | ≥ 6.2, < 6.6.34 | ≥ 6.7, < 6.9.5

References (7)