CVE-2026-63928: linux

CVSS: UnknownAwaiting analysis
AliasesUBUNTU-CVE-2026-63928DEBIAN-CVE-2026-63928
Published 19-07-2026Last modified 19-07-2026
Open JSON

Vulnerability summary

CVE-2026-63928 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 44 · Related 44
OPENSUSE-SU-2026:21555-1OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: omninet: fix memory corruption with small endpoint Make sure that the bulk-out buffers are at least as large as the hardcoded transfer size to avoid user-controlled slab corruption should a malicious device report a smaller endpoint max packet size than expected.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu167 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-146.146 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1066.69 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.12-1
Linux1 product
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 180996f0ca774001944e4afa452d569ba2f6455c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < b496e25ead5976bce2891dacaed09beb53a54f9f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4e7d32189d6219beb7db37cd0ea36b6bac7dfedb | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9a3860454bdfb765f936965e975c594352602ffc | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0fee0ccac29e088d4bfab7e2d075725dcecd803d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f34cf2928387fba01a78381f3258c7e1428897d9 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 60df93d30f9bdd27db17c4d80ed80ef718d7226b | 2.6.12

3 vendors · 169 products

References

31 links
Show all 31 references