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CVE-2022-49693

17
FAUCET Score

CVE-2022-49693 is a refcount leak vulnerability in the Linux kernel's drm/msm/mdp4 component, specifically within the mdp4_modeset_init_intf function. This flaw affects Linux kernel versions and arises from a missing of_node_put() call after of_graph_get_remote_node(), leading to a resource leak. Rated with a CVSS score of 5.5 (Medium), this vulnerability has a local attack vector with low attack complexity, requiring low privileges and no user interaction. Its potential impact is high availability loss, as the refcount leak could lead to system instability or denial of service. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.12, < 5.4.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.127CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.51CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.18.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 72nd percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2022-49693Low

kernel: drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init_intf

Feb 26, 2025

References

git.kernel.org / stable/c/3c39a17197733bc37786ed68c83267c2f491840b
Patch
git.kernel.org / stable/c/b9cc4598607cb7f7eae5c75fc1e3209cd52ff5e0
Patch
git.kernel.org / stable/c/d1592d3e362cc59b29f15019707b16c695d70ca3
Patch
git.kernel.org / stable/c/d16a4339825e64f9ddcdff5277982d640bae933b
Patch
git.kernel.org / stable/c/d607da76fd2b1cf1d377af9d9b7c6f8fecbb0e1d
Patch