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CVE-2023-53239

20
FAUCET Score

CVE-2023-53239 is a NULL pointer dereference vulnerability in the Linux kernel's drm/msm/mdp5 component, affecting Linux kernel versions. This medium-severity vulnerability (CVSS 5.5) can lead to a denial of service (A:H) if an attacker with local privileges (AV:L, PR:L) triggers the failure of kzalloc without proper return value checking. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.3, < 5.4.235CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.173CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.99CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.2.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 27th 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-2023-53239

kernel: drm/msm/mdp5: Add check for kzalloc

Sep 15, 2025

References

git.kernel.org / stable/c/13fcfcb2a9a4787fe4e49841d728f6f2e9fa6911
Patch
git.kernel.org / stable/c/37ff771ed008b9cbffd0eab77985968364694ce3
Patch
git.kernel.org / stable/c/3975ea6eaffe26aec634b5c473e51dc76e73af62
Patch
git.kernel.org / stable/c/49907c8873826ee771ba0ca1629e809c6479f617
Patch
git.kernel.org / stable/c/82943a0730e00c14b03e25a4b2a1a9477ae89d7b
Patch
git.kernel.org / stable/c/bc579a2ee8b2e20c152b24b437d094832d8c9c9e
Patch