CVE-2026-63901

USB: serial: digi_acceleport: fix memory corruption with small endpoints

HIGH

7.8

CVSS Score

Published: July 19, 2026 at 02:55 PM UTC

Updated: October 30, 2026 at 02:38 PM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digi_acceleport: fix memory corruption with small endpoints Add the missing bulk-out buffer size sanity checks to avoid out-of-bounds memory accesses or slab corruption should a malicious device report smaller buffers than expected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.12.1 ≤ v < 5.10.2595.11 ≤ v < 5.15.2105.16 ≤ v < 6.1.1766.13 ≤ v < 6.18.356.19 ≤ v < 7.0.126.2 ≤ v < 6.6.1436.7 ≤ v < 6.12.931da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2.6.12 7.1

Vendor states this is fixed in 062dcc0b324afd03b1406f157190804f105718bb (fixed)

Vendor states this is fixed in 25b93d0f229a115ab120106f37b9454170d4cfd4 (fixed)

Vendor states this is fixed in 41b645e791099f0038225da5e2ca3ca31f00d435 (fixed)

Vendor states this is fixed in 6ab1e9ae099577a1019312088309ecbad2da9a91 (fixed)

Vendor states this is fixed in 8a65db5edd7b63365e9c5b7d9f4b8f314696dc49 (fixed)

Vendor states this is fixed in 9469419b12a100e7e2ccdda64ab45b8368456c8a (fixed)

Vendor states this is fixed in cb3560e8eab1dfa1cac1ed52631adf8ec6ff2cd5 (fixed)

Vendor states this is fixed in fd34198c2e5d164b57a7dcd4692626fece319225 (fixed)

Vendor states this is fixed in 2.6.12 (unaffected)

Vendor states this is fixed in 5.10.259 (unaffected)

Vendor states this is fixed in 5.15.210 (unaffected)

Vendor states this is fixed in 6.1.176 (unaffected)