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CVE-2022-49752

17
FAUCET Score

CVE-2022-49752 is a refcount leak vulnerability in the Linux kernel's device property handling, specifically within the fwnode_graph_get_next_endpoint() function. This flaw affects Linux kernel versions and could lead to a denial-of-service condition due to resource exhaustion. Rated as Medium severity (CVSS 5.5), it requires local access and low privileges to exploit, with no user interaction needed. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.15, < 5.15.91CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*

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
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 44th 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

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-513.5.1.el8_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49752Low

kernel: device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()

Mar 27, 2025

References

git.kernel.org / stable/c/39af728649b05e88a2b40e714feeee6451c3f18e
Patch
git.kernel.org / stable/c/7701a4bd45c11f9a289d8f262fad05705a012339
Patch
git.kernel.org / stable/c/e0472947bead3af94cc968ce35fc0414803a2f65
git.kernel.org / stable/c/e75485fc589ec729cc182aa9b41dfb6c15ae6f6e
Patch