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CVE-2022-50464

20
FAUCET Score

CVE-2022-50464 is a refcount leak vulnerability in the Linux kernel's mt76 wireless driver, specifically affecting the mt7915 PCI device initialization. This medium-severity flaw (CVSS 5.5) could lead to a denial of service (A:H) through local access (AV:L, AC:L, PR:L) without user interaction. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.12, < 6.0.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.1, < 6.1.2CPE 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-0:4.18.0-513.5.1.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 (2)

microsoft2025-Oct/CVE-2022-50464Moderate

mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()

Oct 14, 2025
redhatCVE-2022-50464Moderate

kernel: mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()

Oct 1, 2025

References

git.kernel.org / stable/c/2d4b9c7e81f3a4df27749ebecb426b145e68be2a
Patch
git.kernel.org / stable/c/5938196cc188ba4323bc6357f5ac55127d715888
Patch
git.kernel.org / stable/c/8abc6579667129afd13ff2ccb0319ba3f46e6995
Patch