CVE-2022-49421
Not scored
video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup
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.
Exploit probability
0.3%
Published
February 26, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-49421
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b
- https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7
- https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1
- https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83
- https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e
- https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8
- https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39
- https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465
- https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49421.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49421