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CVE-2022-49481

17
FAUCET Score

CVE-2022-49481 is a refcount leak vulnerability in the Linux kernel's pfuze100 regulator driver, specifically within the pfuze_parse_regulators_dt function. This medium-severity vulnerability (CVSS 5.5) allows a local attacker with low privileges to cause a denial of service (system crash) due to resource exhaustion. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.12, < 4.9.318CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.283CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.247CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.198CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.121CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
18.0%
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 73rd 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 Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49481Moderate

kernel: regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

Feb 26, 2025

References

git.kernel.org / stable/c/0be5d9da5743b9825a95baec85a67500b2c1d362
Patch
git.kernel.org / stable/c/49d785baeb91568332197be356d138e5e59c7ddb
Patch
git.kernel.org / stable/c/56ab0c01027492cd161c64148e1dc892c56887ad
Patch
git.kernel.org / stable/c/671be14fc31374b1a10a3abd93db6a8480838fc9
Patch
git.kernel.org / stable/c/6ca675f4abbc74bc991d154a1ecc8b384dc2aae4
Patch
git.kernel.org / stable/c/984cfef0675ed7398814e14af2c5323911723e1c
Patch
git.kernel.org / stable/c/9f564e29a51210a49df3d925117777c157a17d6d
Patch
git.kernel.org / stable/c/afaa7b933ef00a2d3262f4d1252087613fb5c06d
Patch
git.kernel.org / stable/c/b74c0dd9179d21b7260260e075d597b23970100c
Patch