CVE-2022-48772

MEDIUM
Published Jun 25, 2024 Modified Nov 21, 2024 CWE-476

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

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2022-48772? +
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 It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2022-48772? +
CVE-2022-48772 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2022-48772? +
CVE-2022-48772 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2022-48772? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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