---
cve: "CVE-2022-48772"
severity: "LOW"
cvss: 3.1
epss: "24%"
vendor: "Linux"
kev: false
exploited: false
published: "2024-06-25 15:15:11"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T16:57:10+02:00"
---

# CVE-2022-48772

> 3.1 LOW

## Beschreibung

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]  
[   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

## Patch verfügbar (OSV)

- Kernel ≥ 5.4.278
- Kernel ≥ 5.10.219
- Kernel ≥ 5.15.161
- Kernel ≥ 6.1.94
- Kernel ≥ 6.6.34
- Kernel ≥ 6.9.5

## Referenzen

- <https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0>
- <https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4>
- <https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea>
- <https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676>
- <https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87>
- <https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115>
- <https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-48772) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_