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CVE-2022-50418

20
FAUCET Score

CVE-2022-50418 is a memory leak vulnerability in the Linux kernel's ath11k Wi-Fi driver, specifically within the ath11k_mhi_register() function, affecting Linux kernel versions. This medium-severity vulnerability (CVSS 5.5) could lead to a denial of service (A:H) if a local attacker (AV:L, PR:L) triggers the specific error condition where mhi_free_controller() is not called after mhi_alloc_controller(). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.6, < 5.19.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.0, < 6.0.3CPE 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
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
4.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 25th 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-0:4.18.0-477.10.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-284.11.1.el9_2
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 (2)

redhatCVE-2022-50418Low

kernel: wifi: ath11k: mhi: fix potential memory leak in ath11k_mhi_register()

Sep 18, 2025
microsoft2025-Sep/CVE-2022-50418Moderate

wifi: ath11k: mhi: fix potential memory leak in ath11k_mhi_register()

Sep 9, 2025

References

git.kernel.org / stable/c/015ced9eb63b8b19cb725a1d592d150b60494ced
Patch
git.kernel.org / stable/c/43e7c3505ec70db3d3c6458824d5fa40f62e3e7b
Patch
git.kernel.org / stable/c/72ef896e80b6ec7cdc1dd42577045f8e7c9c32b3
Patch