CVE-2026-63900: USB: serial: keyspan: fix missing indat transfer sanity check

Awaiting analysis
AliasesUBUNTU-CVE-2026-63900DEBIAN-CVE-2026-63900
Published 19-07-2026Last modified 19-07-2026

Vulnerability summary

CVE-2026-63900 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.5% 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
0.23%
0%100%
Low · +0.01 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 32 · Related 32
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan: fix missing indat transfer sanity check Add the missing sanity check on the size of usa49wg indat transfers to avoid parsing stale or uninitialised slab data.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.22% on 22-09-2026

22-09-202622-10-2026

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

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≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < bd6c5fe59f374b63173afe5cf0ab38a9a370f2c1 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < e124120e89b61a967e40dee6b5e1ecafc45c09d9 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < 41d9673941eebdde62ee73848fcfe4ae1105c979 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < 0bde5431037a076ff3750da2165fd77a6f5ff058 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < 3759a40738b83bb61699c85f063202b514b94f77 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < ea2b792330b44b6d7ce671c3e1d59d0c121f7ed1 | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < f7f566ad7519c7ca3bc9071350002940a2b0e22a | ≥ 0ca1268e109acf6d71507398cb95cab2e670b654, < ab8336a7e414f018430aa1af3a46944032f7ff96 | 2.6.23

3 vendors · 169 products

References

31 links
Show all 31 references