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01 Record

CVE-2019-9503

Broadcom brcmfmac driver is vulnerable to a frame validation bypass

HighPUBLISHEDCNA: certcc
CNA base score7.9 CVSS v3.xCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

02 Description

Broadcom brcmfmac driver is vulnerable to a frame validation bypass

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.28% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.0% of scored records. A rank, not a probability.
NVD base score
8.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-01-16 20:35Z6 YR AGO
Last updated
2024-08-04 21:54Z2 YR AGO
Reserved
2019-03-01
Assigning CNA
certcc
Record state
PUBLISHED
Severity
High (CVSS 7.9)
CNA CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
9233721e6d58b3c5b9223a87a7956c34a0e1b37e05a2e35cb0f699510ae3e322

05 Affected products

VendorProductVersionsPlatforms
Broadcombrcmfmac WiFi drivercommit prior to a4176ec356c73a46c07c181c6d04039fafa34a9f—

06 References

07 Remediation

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f

08 Fixed in

Debian 12

  • linux
    Fixed in 4.19.37-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • linux
    Fixed in 4.19.37-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • linux
    Fixed in 4.19.37-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • linux-azure
    Fixed in 4.15.0-1045.49~14.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • linux
    Fixed in 4.4.0-157.185
  • linux-aws
    Fixed in 4.4.0-1090.101
  • linux-aws-hwe
    Fixed in 4.15.0-1039.41~16.04.1
  • linux-azure
    Fixed in 4.15.0-1045.49
  • linux-gcp
    Fixed in 4.15.0-1032.34~16.04.1
  • linux-hwe
    Fixed in 4.15.0-50.54~16.04.1
  • linux-kvm
    Fixed in 4.4.0-1052.59
  • linux-oracle
    Fixed in 4.15.0-1013.15~16.04.1
  • linux-raspi2
    Fixed in 4.4.0-1117.126
  • linux-snapdragon
    Fixed in 4.4.0-1121.127

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • linux
    Fixed in 4.15.0-50.54
  • linux-aws
    Fixed in 4.15.0-1039.41
  • linux-azure
    Fixed in 4.18.0-1018.18~18.04.1
  • linux-gcp
    Fixed in 4.15.0-1032.34
  • linux-gcp-edge
    Fixed in 4.18.0-1011.12~18.04.1
  • linux-gke-4.15
    Fixed in 4.15.0-1032.34
  • linux-hwe
    Fixed in 4.18.0-20.21~18.04.1
  • linux-kvm
    Fixed in 4.15.0-1034.34
  • linux-oem
    Fixed in 4.15.0-1038.43
  • linux-oracle
    Fixed in 4.15.0-1013.15
  • linux-raspi2
    Fixed in 4.15.0-1036.38
  • linux-snapdragon
    Fixed in 4.15.0-1053.57

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • linux-azure-fde
    No fix yet
  • linux-gke
    No fix yet
  • linux-raspi2
    No fix yet
  • linux-riscv
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • linux-intel-iot-realtime
    No fix yet
  • linux-realtime
    No fix yet
  • linux-riscv
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • linux-raspi-realtime
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • linux
    No fix yet
  • linux-aws
    Fixed in 4.4.0-1054.58
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
  • linux-lts-xenial
    Fixed in 4.4.0-164.192~14.04.1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 16.04 LTS

  • linux-fips
    Fixed in 4.4.0-1015.20
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.