PT-2022-6250 · Linux+8 · Linux Kernel+8

Hyunwoo Kim · Published 2022-11-15 · Updated 2026-03-13 · CVE-2022-45884

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 6.0.9

Description An issue was discovered in the Linux kernel, related to a use-after-free in drivers/media/dvb-core/dvbdev.c. This is connected to dvb register device dynamically allocating fops. The exploitation of this issue may allow an attacker to cause a denial of service or elevate their privileges.

Recommendations For Linux kernel versions through 6.0.9, consider updating to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Race Condition

Weakness Enumeration

CWE-416

CWE-362

Related Identifiers

ALSA-2023:7549

ALT-PU-2022-3220

ALT-PU-2022-3303

ALT-PU-2022-3364

ALT-PU-2022-3371

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

AZL-11483

BDU:2023-00647

CESA-2023_7548

CESA-2023_7549

CVE-2022-45884

ECHO-A809-292D-4B38

OESA-2023-1841

OESA-2023-1842

OESA-2023-1843

OESA-2023-1844

OESA-2023-1845

OPENSUSE-SU-2023_2646-1

OPENSUSE-SU-2023_2871-1

OPENSUSE-SU-2024:12994-1

OPENSUSE-SU-2024:13704-1

RHSA-2023:7398

RHSA-2023:7539

RHSA-2023:7548

RHSA-2023:7549

RHSA-2023_7548

RHSA-2023_7549

RLSA-2023:7548

RLSA-2023:7549

RXSA-2023:7549

SUSE-SU-2023:2500-1

SUSE-SU-2023:2501-1

SUSE-SU-2023:2502-1

SUSE-SU-2023:2507-1

SUSE-SU-2023:2534-1

SUSE-SU-2023:2537-1

SUSE-SU-2023:2538-1

SUSE-SU-2023:2611-1

SUSE-SU-2023:2646-1

SUSE-SU-2023:2651-1

SUSE-SU-2023:2653-1

SUSE-SU-2023:2782-1

SUSE-SU-2023:2805-1

SUSE-SU-2023:2809-1

SUSE-SU-2023:2871-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Linux Kernel

Red Hat

Rocky Linux

Suse

References · 906

• 🔥 https://lore.kernel.org/linux-media/[e-mail] · Exploit
• 🔥 https://lore.kernel.org/linux-media/[e-mail] · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2023:2538-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-45884 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2023-7549.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2507-1 · Vendor Advisory
• https://errata.rockylinux.org/RXSA-2023:7549 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39198 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2023:2653-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-45884 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2023:7548 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-45884 · Security Note
• https://bdu.fstec.ru/vul/2023-00647 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2023:2537-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1842 · Vendor Advisory