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CVE-2022-49665

17
FAUCET Score

CVE-2022-49665 is a memory leak vulnerability in the Linux kernel's thinkpad_acpi platform driver, specifically affecting Linux kernel versions. This flaw, rated Medium severity (CVSS 5.5), arises from improper resource deallocation, leading to a denial of service (A:H) if exploited locally with low privileges (AV:L/AC:L/PR:L). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.18.1, < 5.18.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc7:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*

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
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 55th 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-2022-49665Moderate

kernel: platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource

Feb 26, 2025

References

git.kernel.org / stable/c/3884bf75fa044c73e843d95dd71a424e80ebb095
Patch
git.kernel.org / stable/c/d2f33f0c3ad7b0d5262d9b986f1353265fad7a08
Patch