PT-2025-8645 · Linux+2 · Linux Kernel+2

Miaoqian Lin · Published 2025-02-26 · Updated 2025-04-15 · CVE-2022-49712

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 has been identified in the Linux kernel, specifically in the lpc32xx udc probe function of the usb gadget subsystem. The of parse phandle() function returns a node pointer with an incremented refcount, which should be decremented using of node put() when no longer needed to prevent a refcount leak. The issue arises from a missing of node put() call.

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

Exploit

Related Identifiers

CVE-2022-49712

OPENSUSE-SU-2025_1263-1

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

Linux Kernel

Suse

References · 1345

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49712.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:1263-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/d85e4e6284a91aa2d1ab004e9d84b9c09b4aa203 · Patch
• https://ubuntu.com/security/CVE-2022-49712 · Vendor Advisory
• https://git.kernel.org/stable/c/46da1e4a8b6329479433b2a4056941dfdd7f3efd · Patch
• https://git.kernel.org/stable/c/57901c658f77d9ea2e772f35cb38e47efb54c558 · Patch
• https://git.kernel.org/stable/c/2a598da14856ead80c726b38ba426c68637d9211 · Patch
• https://osv.dev/vulnerability/CVE-2022-49712 · Vendor Advisory
• https://git.kernel.org/stable/c/4757c9ade34178b351580133771f510b5ffcf9c8 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49712 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49712 · Security Note