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Fencer Vulns
medium 5.5

CVE-2022-28389 json

mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c in the Linux kernel through 5.17.1 has a double free.

published 2022-04-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-32834

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c in the Linux kernel through 5.17.1 has a double free.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 5.17.3-1

debian advisories DEBIAN-CVE-2022-28389

  • linux Ubuntu 18.04 LTS 4.15.0-189.200
  • linux Ubuntu 20.04 LTS 5.4.0-117.132
  • linux Ubuntu 22.04 LTS 5.15.0-37.39
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1137.148
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1078.84
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1011.14
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1078.84
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1008.12

ubuntu advisories UBUNTU-CVE-2022-28389

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt SLE Micro 5.2, SLE Micro 5.1, Real Time Module 15 SP3 5.3.18-150300.85.1
  • kernel-syms-rt Real Time Module 15 SP3 5.3.18-150300.85.1
  • kernel-rt_debug Real Time Module 15 SP3 5.3.18-150300.85.1
  • kernel-source-rt Real Time Module 15 SP3 5.3.18-150300.85.1
  • kernel-rt SLE Real Time 12 SP5 4.12.14-10.84.1
  • kernel-syms-rt SLE Real Time 12 SP5 4.12.14-10.84.1
  • kernel-rt_debug SLE Real Time 12 SP5 4.12.14-10.84.1
  • kernel-source-rt SLE Real Time 12 SP5 4.12.14-10.84.1

suse advisories SUSE-SU-2022:2854-1SUSE-SU-2022:2789-1SUSE-SU-2022:2783-1SUSE-SU-2022:2780-1SUSE-SU-2022:2776-1SUSE-SU-2022:2770-1

  • kernel-source openSUSE Tumbleweed 5.17.2-1.1
  • kernel-source openSUSE Tumbleweed 6.6.17-1.1

opensuse advisories openSUSE-SU-2024:11990-1openSUSE-SU-2024:13704-1

  • kernel CBL-Mariner 2.0 5.15.37.1-2

azure linux advisories AZL-9294

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • linux Arch Linux 5.17.3.arch1-1
  • linux-zen Arch Linux 5.17.3.zen1-1
  • linux-hardened Arch Linux 5.17.5.hardened1-1

arch linux advisories AVG-2698AVG-2699AVG-2700

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-28389 updated cvss 5.5

kernel: a double free in mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.