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CVE-2022-49741

17
FAUCET Score

CVE-2022-49741 describes a memory leak vulnerability in the Linux kernel's smscufx fbdev driver. Specifically, the ufx_usb_probe function contains faulty error handling logic that fails to properly deallocate memory, leading to resource exhaustion. This issue affects Linux kernel versions. The vulnerability has a CVSSv3.1 score of 5.5 (Medium), indicating a local attack vector with low attack complexity, requiring low privileges and no user interaction. A successful exploit could lead to a denial of service due to memory exhaustion, impacting system availability. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness or perceived threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.4.232CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.168CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.93CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.9.332, < 4.10CPE match
cpe:2.3:a: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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 41st 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-2022-49741Low

kernel: fbdev: smscufx: fix error handling code in ufx_usb_probe

Mar 27, 2025

References

git.kernel.org / stable/c/1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b
Patch
git.kernel.org / stable/c/3931014367ef31d26af65386a4ca496f50f0cfdf
Patch
git.kernel.org / stable/c/3b3d3127f5b4291ae4caaf50f7b66089ad600480
Patch
git.kernel.org / stable/c/64fa364ad3245508d393e16ed4886f92d7eb423c
Patch
git.kernel.org / stable/c/b76449ee75e21acfe9fa4c653d8598f191ed7d68
Patch