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CVE-2023-53387

20
FAUCET Score

CVE-2023-53387 is a vulnerability in the Linux kernel's Universal Flash Storage (UFS) driver, specifically affecting the device management command timeout flow during error handling. If a device management command times out and doorbell clearing fails, an uninitialized structure can lead to a system crash due to a stack-allocated complete structure being accessed incorrectly. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact (system crash). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.18.16, < 5.19CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
< 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
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
3.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 21st 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 Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2023-53387Low

kernel: scsi: ufs: core: Fix device management cmd timeout flow

Sep 18, 2025
microsoft2025-Sep/CVE-2023-53387Moderate

scsi: ufs: core: Fix device management cmd timeout flow

Sep 9, 2025

References

git.kernel.org / stable/c/36822124f9de200cedc2f42516301b50d386a6cd
Patch
git.kernel.org / stable/c/3ffd2cd644e0f1eea01339831bac4b1054e8817c
Patch
git.kernel.org / stable/c/cf45493432704786a0f8294c7723ad4eeb5fff24
Patch