CVE-2023-37453: linux linux_kernel Out-of-bounds Read
Vulnerability summary
CVE-2023-37453 is a medium (CVSS 4.6) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 51% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.6, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 32 · Related 29Timeline
- 06-07-2023PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.63% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (syzkaller.appspot.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu103 products
- linux< 5.4.0-169.187 | < 5.15.0-91.101
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1116.126 | < 5.15.0-1051.56
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.55-1 | < 6.5.3-1
Linux1 product
- linux_kernel≤ 6.4.2
3 vendors · 105 products
