PT-2023-9333 · Linux+4 · Linux Kernel+4

Krzysztof Kozlowski · Published 2023-01-17 · Updated 2025-09-29 · CVE-2022-48878

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.0-rt5-00325-g8a5f56bcfcca #8

Description The issue is related to a use-after-free vulnerability in the Linux kernel, specifically in the hci qca driver. This vulnerability occurs when the driver shutdown callback is invoked on a closed serdev, causing a use-after-free error during system reboot with Qualcomm Atheros Bluetooth. The vulnerability can be exploited to impact the confidentiality, integrity, and availability of protected information.

Recommendations To resolve this issue, update the Linux kernel to a version that includes the fix for the hci qca driver shutdown callback. 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:2024-06622

CVE-2022-48878

OESA-2024-2445

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 · 693

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48878.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-35833 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-48878 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-36950 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50099 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-48878 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-50195 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50245 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:3227-1 · Vendor Advisory
• https://git.kernel.org/stable/c/ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447 · Patch
• https://cve.org/CVERecord?id=CVE-2022-48878 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-43911 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48953 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:3408-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:3483-1 · Vendor Advisory