CVE-2022-49421

MEDIUM EPSS 19.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
19.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥3.17  –  <4.9.318
linuxlinux_kernel*≥4.10  –  <4.14.283
linuxlinux_kernel*≥4.15  –  <4.19.247
linuxlinux_kernel*≥4.20  –  <5.4.198
linuxlinux_kernel*≥5.5  –  <5.10.121
linuxlinux_kernel*≥5.11  –  <5.15.46
linuxlinux_kernel*≥5.16  –  <5.17.14
linuxlinux_kernel*≥5.18  –  <5.18.3

References 9

  • git.kernel.org https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356
    Patch