CVE-2026-74460: can: ems_usb: validate CPC message lengths

Received
AliasesUBUNTU-CVE-2026-74460DEBIAN-CVE-2026-74460
Published 15-08-2026Last modified 03-10-2026

Vulnerability summary

CVE-2026-74460 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.2% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.18%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 9
SUSE-SU-2026:5091-1USN-8875-1USN-8875-2USN-8876-1USN-8877-1USN-8878-1

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 03-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.22% on 06-10-2026

06-10-202605-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu169 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 7.0.0-42.42
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 7.0.0-1016.17
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.187-1 | < 6.12.105-1 | < 7.1.8-1
  • linux-6.12< 6.12.107-1~deb12u1
Linux1 product
  • linux≥ 702171adeed3607ee9603ec30ce081411e36ae42, < 1c380a332e342b7d58c86c4f556cb0823b16a9b8 | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6 | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < db5655287d78f00daf98888a520bb8da4d30126d | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < ce8125566b1d0b0f16449407e014addf451804ea | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < 0b9090717c7e2184e2c427bbcc752f295116ac1d | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < 0b23144c59c126beb4a7761a85a194ae0fe668a5 | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < df3ac2a672a5284441f120d486acabdd6740fc2a | ≥ 702171adeed3607ee9603ec30ce081411e36ae42, < 02925f51377f2a42a6724f00549167499c9302e5 | 2.6.32

3 vendors · 172 products

References

21 links
Show all 21 references