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CVE-2023-52870

15
FAUCET Score

CVE-2023-52870 is a NULL pointer dereference vulnerability in the Linux kernel's MediaTek clock driver (clk-mt6765). This flaw, affecting Linux kernel versions, stems from a missing check for the return value of mtk_alloc_clk_data(). Rated Medium with a CVSS score of 4.1, exploitation requires high privileges and local access, leading to a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.8, < 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:*:*:*:*:*:*:*:*
>= 6.2, < 6.5.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.6, < 6.6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.1MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.5
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 63rd percentile among its peer group of 418 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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-2023-52870Low

kernel: clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data

May 21, 2024

References

git.kernel.org / stable/c/10cc81124407d862f0f747db4baa9c006510b480
Patch
git.kernel.org / stable/c/2617aa8ceaf30e41d3eb7f5fef3445542bef193a
Patch
git.kernel.org / stable/c/533ca5153ad6c7b7d47ae0114b14d0333964b946
Patch
git.kernel.org / stable/c/b5ff3e89b4e7f46ad2aa0de7e08d18e6f87d71bc
Patch
git.kernel.org / stable/c/b82681042724924ae3ba0f2f2eeec217fa31e830
Patch
git.kernel.org / stable/c/dd1f30d68fa98eb672c0a259297b761656a9025f
Patch