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CVE-2022-50474

20
FAUCET Score

CVE-2022-50474 is a memory leak vulnerability in the Linux kernel's macintosh driver, specifically within the macio_add_one_device() function. This flaw, affecting Linux kernel versions, stems from improper memory deallocation when device registration fails. It carries a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.30, < 4.9.337CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.303CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.270CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.229CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.163CPE 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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 30th 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-2022-50474

kernel: macintosh: fix possible memory leak in macio_add_one_device()

Oct 4, 2025

References

git.kernel.org / stable/c/19ded60b40e86b0903c8d5bd0161437ed5107a8b
Patch
git.kernel.org / stable/c/2ac0a7059b7bcbed35bfffa34a82c9a9e99638ef
Patch
git.kernel.org / stable/c/35858b87a943917fa30172aa4bf01ce7adbcb42c
Patch
git.kernel.org / stable/c/3a866ff6fc2232c8e393cdb55ffb8ce947349e03
Patch
git.kernel.org / stable/c/5ca86eae55a2f006e6c1edd2029b2cacb6979515
Patch
git.kernel.org / stable/c/76837e7f6b30da72ad59f56291e22804a219e015
Patch
git.kernel.org / stable/c/aa9054267366ff0a382d403d17728e21951ddbb9
Patch
git.kernel.org / stable/c/b29a2f1dd33ae9b94821ab2f4d398b9081786748
Patch
git.kernel.org / stable/c/ca765257feb89dacf604ced9cd233db5f865dee0
Patch