MEDIUM

CVE-2023-37453

Q: What is CVE-2023-37453?

An issue was discovered in the USB subsystem in the Linux kernel through 6.4.2. There is an out-of-bounds and crash in read_descriptors in drivers/usb/core/sysfs.c.

Q: Is CVE-2023-37453 actively exploited?

Active exploitation of CVE-2023-37453 has not been confirmed. Its EPSS score was 0.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-37453?

CVE-2023-37453 has a CVSS v3 base score of 4.6 (MEDIUM severity).

CVSS v3

4.6

MEDIUM

EPSS Score

0.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

bpftoolAlmaLinux:9all versions · fixed in 7.3.0-427.13.1.el9_4
kernelAlmaLinux:9all versions · fixed in 5.14.0-427.13.1.el9_4and 60 other packages

Vendor advisories

CVE-2023-37453 Red Hat Product Security429 products fixed · 22 known affected
kernel: usb: out-of-bounds read in read_descriptors
kernel-rt as a component of Red Hat Enterprise Linux 9 · kernel-rt-core as a component of Red Hat Enterprise Linux 9 · kernel-rt-debug as a component of Red Hat Enterprise Linux 9
RHSA-2024:2950 Red Hat Product Security30 products fixed
Red Hat Security Advisory: kernel-rt security and bug fix update
RHSA-2024:3138 Red Hat Product Security120 products fixed
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
RHSA-2024:2394 Red Hat Product Security279 products fixed
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
ICSA-23-166-11 CISA1 known affected
Siemens SIMATIC S7-1500 TM MFP Linux Kernel
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
SSA-794697 Siemens ProductCERT1 known affected
SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem < V1.1

Full record on NVD

Description

An issue was discovered in the USB subsystem in the Linux kernel through 6.4.2. There is an out-of-bounds and crash in read_descriptors in drivers/usb/core/sysfs.c.

Technical details

Published: 2023-07-06

Frequently asked questions

What is CVE-2023-37453?

An issue was discovered in the USB subsystem in the Linux kernel through 6.4.2. There is an out-of-bounds and crash in read_descriptors in drivers/usb/core/sysfs.c.

Is CVE-2023-37453 actively exploited?

Active exploitation of CVE-2023-37453 has not been confirmed. Its EPSS score was 0.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-37453?

CVE-2023-37453 has a CVSS v3 base score of 4.6 (MEDIUM severity).

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