CVE-2018-5899 — In Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05, whenever TDLS connection is setup, we are freeing the netbuf in ol_tx_completion_handler and after that, we are accessing it in NBUF_UPDATE_TX_PKT_COUNT causing a use after free

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HIGH

In Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05, whenever TDLS connection is setup, we are freeing the netbuf in ol_tx_completion_handler and after that, we are accessing it in NBUF_UPDATE_TX_PKT_COUNT causing a use after free

Published Jul 6, 2018

7.8

HIGH

CVSS 3.0

EPSS 0.17%

Description

In Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05, whenever TDLS connection is setup, we are freeing the netbuf in ol_tx_completion_handler and after that, we are accessing it in NBUF_UPDATE_TX_PKT_COUNT causing a use after free.

Affected products

Vendor Qualcomm, Inc. Product Android for MSM, Firefox OS for MSM, QRD Android Default
n/a
- Version
  All Android releases from CAF using the Linux kernel
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Qualcomm, Inc.

Android for MSM, Firefox OS for MSM, QRD Android

n/a

Version	Status	Constraints
All Android releases from CAF using the Linux kernel	affected	-

Remediation

No remediation recorded yet.

Metrics

0.17% 0.00168

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00168

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.17% (0.00168)	5.48th	v5 (v2026.06.15)
Sep 20, 2026	0.17% (0.00168)	6.54th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00044)	12.95th	v3 (v2023.03.01)
May 25, 2024	0.04% (0.00044)	12.27th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.26th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.26% (0.00258)	2.22th	v5 (v2026.06.15)
Apr 14, 2021	0.26% (0.00258)	0.00th	v1

Weaknesses (1)

CWE-416

Use After Free

References (2)

https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-components
x_refsource_CONFIRMVendor Advisory
https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin
x_refsource_CONFIRMPatch

Link	Providers	Tags
https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-components		x_refsource_CONFIRMVendor Advisory
https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin		x_refsource_CONFIRMPatch

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner qualcomm

Published Jul 6, 2018

Updated Sep 16, 2024

Reserved Jan 19, 2018

Link CVE-2018-5899

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-5899

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-5899