PT-2023-9451 · Linux+4 · Linux Kernel+4

Gerald Lee + 1 · Published 2023-01-17 · Updated 2025-09-29 · CVE-2022-48869

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/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 use-after-free bug has been identified in the gadgetfs driver of the Linux kernel, involving processes concurrently mounting and unmounting the gadgetfs filesystem. The bug occurs when gadgetfs fill super() and gadgetfs kill sb() are not properly synchronized, allowing gadgetfs kill sb() to deallocate the device while gadgetfs fill super() is still using it. This issue can cause a denial of service.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-8448

BDU:2024-07632

CVE-2022-48869

OESA-2024-2257

OPENSUSE-SU-2024_3190-1

OPENSUSE-SU-2024_3209-1

OPENSUSE-SU-2024_3408-1

OPENSUSE-SU-2024_3483-1

SUSE-SU-2024:3190-1

SUSE-SU-2024:3209-1

SUSE-SU-2024:3227-1

SUSE-SU-2024:3408-1

SUSE-SU-2024:3483-1

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Red Os

Suse

References · 720

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48869.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-47672 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-44940 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-40998 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36031 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-47670 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48869 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42313 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:3227-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52463 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-48869 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52741 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-43893 · Security Note
• https://git.kernel.org/stable/c/616fd34d017000ecf9097368b13d8a266f4920b3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:3408-1 · Vendor Advisory