5.5

CVE-2026-64335: USB: serial: digi_acceleport: fix broken rx after throttle

Analyzed
AliasesUBUNTU-CVE-2026-64335DEBIAN-CVE-2026-64335
Published 25-07-2026Last modified 17-08-2026

Vulnerability summary

CVE-2026-64335 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · 0.00 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 31 · Related 31

Timeline

  1. 25-07-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digi_acceleport: fix broken rx after throttle If the port is closed while throttled, the read urb is never resubmitted and the port will not receive any further data until the device is reconnected (or the driver is rebound). Clear the throttle flags and submit the urb if needed when opening the port.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.12% on 04-10-2026

04-10-202603-11-2026

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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu169 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-31.31
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1012.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.180-1 | < 6.12.96-1 | < 7.1.4-1
  • linux-6.12< 6.12.100-1~deb12u1
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4f3f6f44db71e469933a7c36c5d57d937ba0a21b | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d5d2660caef78d4c996d34d123574c8e86f5b5ac | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 61954033326fc7e637ed2aeeb4b52021e0ee4657 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8d50a910194f66566a5eb252b33283855c8d5203 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < abacd67e6f689c62d8a13e3da25f4272bc9ad4af | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < eab394781e9321c0c7e97a24fd092387cb262f40 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 92fa3e1a49848509ea3f7995751963fc65095998 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 83a3dfc018943b05b6daf3a6f891833e1aabfa1f | 2.6.12
  • linux_kernel≥ 2.6.12.1, < 5.10.261 | ≥ 5.11, < 5.15.212 | ≥ 5.16, < 6.1.178 | ≥ 6.2, < 6.6.145 | ≥ 6.7, < 6.12.96 | ≥ 6.13, < 6.18.39 | ≥ 6.19, < 7.1.4 | 2.6.12 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5 | 7.2:rc1 | 7.2:rc2

3 vendors · 173 products

References

31 links
Show all 31 references