CVE-2025-37985: USB: wdm: close race between wdm_open and wdm_wwan_port_stop
Vulnerability summary
CVE-2025-37985 is a medium (CVSS 4.7) vulnerability in debian debian_linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.3% of scored vulnerabilities.
Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 43 · Related 40Timeline
- 20-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: USB: wdm: close race between wdm_open and wdm_wwan_port_stop Clearing WDM_WWAN_IN_USE must be the last action or we can open a chardev whose URBs are still poisoned
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.13% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu128 products
- linux< 5.15.0-144.157 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1088.95 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.137-1 | < 6.12.27-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < b02a3fef3e8c8fe5a0a266f7a14f38cc608fb167 | ≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < 217fe1fc7d112595a793e02b306710e702eac492 | ≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < 54f7f8978af19f899dec80bcc71c8d4855dfbd72 | ≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < 52ae15c665b5fe5876655aaccc3ef70560b0e314 | ≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < e3c9adc69357fcbe6253a2bc2588ee4bbaaedbe9 | ≥ cac6fb015f719104e60b1c68c15ca5b734f57b9c, < c1846ed4eb527bdfe6b3b7dd2c78e2af4bf98f4f | 5.14
- linux_kernel≥ 5.14, < 5.15.181 | ≥ 5.16, < 6.1.136 | ≥ 6.2, < 6.6.89 | ≥ 6.7, < 6.12.26 | ≥ 6.13, < 6.14.5 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3
3 vendors · 132 products
References
41 links- lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlThird Party Advisory