PT-2025-8577 · Linux+4 · Linux Kernel+4

Hangyu Hua + 3 · Published 2023-05-09 · Updated 2025-04-15 · CVE-2022-49644

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 refcount leak issue in the Linux kernel has been identified and resolved. The problem occurs in the intel dp add mst connector() function, where a reference count leak can happen if drm connector init fails. To address this, it is necessary to drop the refcount of the port before calling intel connector free to ensure proper cleanup.

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

Exploit

Related Identifiers

CESA-2023_2951

CVE-2022-49644

OPENSUSE-SU-2025_1263-1

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1345

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49644.json · Exploit
• https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49644 · Security Note
• https://ubuntu.com/security/CVE-2022-49644 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49644 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49644 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory
• https://git.kernel.org/stable/c/85144df9ff4652816448369de76897c57cbb1b93 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/a91522b4279bebb098106a19b91f82b9c3213be9 · Patch
• https://osv.dev/vulnerability/CVE-2022-49644 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1263-1 · Vendor Advisory