PT-2025-40733 · Linux+1 · Linux Kernel+1

Published 2025-10-04 · Updated 2025-12-04 · CVE-2022-50499

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 (affected versions not specified)

Description A flaw exists in the Linux kernel’s dvb-core component within the dvb register device() function. Specifically, a double free issue can occur during the initialization process of dvb->entity in dvb register media device() and dvb create media entity(). If initialization fails, the dvb->entity is freed, and subsequent calls to dvb media device free() may attempt to free it again, leading to a double free. This can also result in a Use After Free condition in media device unregister entity(). The issue arises because dvb->entity may not be set to NULL in dvb create media entity() when allocation of dvbdev->pad fails.

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

Exploit

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2022-50499

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Suse

References · 450

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50499.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2022-50499 · Vendor Advisory
• https://git.kernel.org/stable/c/0588b12c418c3e4f927ced11f27b02ef4a5bfb07 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://git.kernel.org/stable/c/b21f62b49ee9c3e0216d685d9cfd6003e5727271 · Patch
• https://ubuntu.com/security/CVE-2022-50499 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50499 · Security Note
• https://git.kernel.org/stable/c/7dd5a68cdbbbe7fc67ba701cb52ba10d8ba149f8 · Patch
• https://osv.dev/vulnerability/CVE-2022-50499 · Vendor Advisory
• https://git.kernel.org/stable/c/772892b29ac50c2c5e918fc80104aa6ede81d837 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50499 · Vendor Advisory
• https://git.kernel.org/stable/c/acf984a3718c2458eb9e08b6714490a04f213c58 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50499 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory