Bug 2347891 (CVE-2022-49421) - CVE-2022-49421 kernel: video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup
Summary: CVE-2022-49421 kernel: video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_v...
Keywords:
Status: NEW
Alias: CVE-2022-49421
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:10 UTC by OSIDB Bzimport
Modified: 2025-02-26 20:19 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-02-26 03:10:19 UTC 
In the Linux kernel, the following vulnerability has been resolved:

video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup

of_parse_phandle() returns a node pointer with refcount incremented, we should
use of_node_put() on it when not need anymore.  Add missing of_node_put() to
avoid refcount leak.
Comment 1 Avinash Hanwate 2025-02-26 20:11:27 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022654-CVE-2022-49421-6067@gregkh/T
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