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CVE-2022-49047

22
FAUCET Score

CVE-2022-49047 is a Use-After-Free (UAF) vulnerability in the Linux kernel's ep93xx clock driver, specifically within the ep93xx_clk_register_gate() function. This flaw allows a local attacker to achieve high impact on confidentiality, integrity, and availability. With a CVSS score of 7.8 (High), it presents a significant risk if exploited. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.16, < 5.17.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 49th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2022-49047Moderate

kernel: ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()

Feb 26, 2025

References

git.kernel.org / stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017
Patch
git.kernel.org / stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9
Patch