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CVE-2022-49145

19
FAUCET Score

CVE-2022-49145 is an out-of-bounds read vulnerability in the Linux kernel's ACPI CPPC module, specifically when parsing _CPC data. This flaw, rated High severity (CVSS 7.1), allows a local attacker to achieve high confidentiality and availability impacts with low attack complexity. There is 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
>= 4.4, < 4.9.311CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.276CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.238CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.189CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.110CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
19.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 55th 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

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-425.3.1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49145Moderate

kernel: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data

Feb 26, 2025

References

git.kernel.org / stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252
Patch
git.kernel.org / stable/c/40d8abf364bcab23bc715a9221a3c8623956257b
Patch
git.kernel.org / stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b
Patch
git.kernel.org / stable/c/b3f15609ffa521de12244cd6af24002030dda3f5
Patch
git.kernel.org / stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1
Patch
git.kernel.org / stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e
Patch
git.kernel.org / stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303
Patch
git.kernel.org / stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74
Patch
git.kernel.org / stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788
Patch