PT-2024-11799 · Linux+6 · Linux Kernel+6

Zheyu Ma · Published 2024-04-29 · Updated 2025-09-29 · CVE-2022-48772

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null-pointer dereference issue has been resolved in the Linux kernel. The issue occurred because the driver did not check whether the client provided the platform data. Technical details about the issue include a null-pointer dereference in the kmemdup function, which is called by the lgdt3306a probe function. The vulnerability can be identified by a log message indicating a BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2025_16880

ALT-PU-2024-13979

ALT-PU-2024-14046

ALT-PU-2024-17597

BDU:2025-04349

CVE-2022-48772

DSA-5730-1

MGASA-2024-0263

MGASA-2024-0266

OESA-2024-1835

OESA-2024-1836

OESA-2024-1838

OESA-2024-1839

OPENSUSE-SU-2024_2372-1

OPENSUSE-SU-2024_2394-1

SUSE-SU-2024:2360-1

SUSE-SU-2024:2372-1

SUSE-SU-2024:2381-1

SUSE-SU-2024:2394-1

SUSE-SU-2024:2561-1

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2939-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

USN-6951-1

USN-6951-2

USN-6951-3

USN-6951-4

USN-6953-1

USN-6979-1

USN-6999-1

USN-6999-2

USN-7004-1

USN-7005-1

USN-7005-2

USN-7007-1

USN-7007-2

USN-7007-3

USN-7008-1

USN-7009-1

USN-7009-2

USN-7019-1

USN-7029-1

USN-7342-1

USN-7344-1

USN-7344-2

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

References · 3397

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48772.json · Exploit
• https://ubuntu.com/security/CVE-2024-40984 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41002 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41087 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40921 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2024-1838 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7029-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48772 · Security Note
• https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676 · Patch
• https://ubuntu.com/security/notices/USN-6951-3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-36489 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26970 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-38596 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7005-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26966 · Vendor Advisory