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CVE-2023-52864

21
FAUCET Score

CVE-2023-52864 is a memory corruption vulnerability in the Linux kernel's WMI platform driver, specifically affecting the handling of character devices. This flaw, rated High severity with a CVSS score of 7.8, could allow a local attacker to achieve high impact on confidentiality, integrity, and availability due to improper pointer handling during device opening. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.15, < 4.19.299CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.261CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.201CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.139CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.63CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 53rd 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 (10)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.16.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-372.119.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-372.119.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-372.119.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: kernel-0:4.18.0-477.74.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-427.31.1.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-0:5.14.0-284.79.1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-rt-0:5.14.0-284.79.1.rt14.364.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-52864Moderate

kernel: platform/x86: wmi: Fix opening of char device

May 21, 2024

References

git.kernel.org / stable/c/36d85fa7ae0d6be651c1a745191fa7ef055db43e
Patch
git.kernel.org / stable/c/44a96796d25809502c75771d40ee693c2e44724e
Patch
git.kernel.org / stable/c/9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203
Patch
git.kernel.org / stable/c/cf098e937dd125c0317a0d6f261ac2a950a233d6
Patch
git.kernel.org / stable/c/d426a2955e45a95b2282764105fcfb110a540453
Patch
git.kernel.org / stable/c/e0bf076b734a2fab92d8fddc2b8b03462eee7097
Patch
git.kernel.org / stable/c/eba9ac7abab91c8f6d351460239108bef5e7a0b6
Patch
git.kernel.org / stable/c/fb7b06b59c6887659c6ed0ecd3110835eecbb6a3
Patch