Linux Kernel up to 4.15.9 mac80211_hwsim.c hwsim_new_radio_nl resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 4.15.9. Affected by this issue is the function hwsim_new_radio_nl of the file drivers/net/wireless/mac80211_hwsim.c. Performing a manipulation results in resource management. This vulnerability is cataloged as CVE-2018-8087. The attack must be initiated from a local position. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 4.15.9 (Operating System). This affects the function hwsim_new_radio_nl of the file drivers/net/wireless/mac80211_hwsim.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Memory leak in the hwsim_new_radio_nl function in drivers/net/wireless/mac80211_hwsim.c in the Linux kernel through 4.15.9 allows local users to cause a denial of service (memory consumption) by triggering an out-of-array error case.

The bug was discovered 01/22/2018. The weakness was shared 03/13/2018 (Website). The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2018-8087 since 03/13/2018. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 50 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109518 (Debian DSA-4188-1 : linux - security update (Spectre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351331 (Amazon Linux Security Advisory for kernel: ALAC2012-2018-007 (SegmentSmack/FragmentSmack)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109518), SecurityFocus (BID 103397†) and CERT Bund (WID-SEC-2022-0532). The entries VDB-111185, VDB-112694, VDB-113696 and VDB-113823 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Oracle Linux
  • Debian Linux
  • Open Source Linux Kernel
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle VM
  • NetApp FAS
  • Avaya Aura Communication Manager
  • Avaya Aura Session Manager
  • Avaya Aura Application Enablement Services
  • Avaya Aura System Manager
  • Avaya Aura Experience Portal
  • NetApp AFF

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109518
Nessus Name: Debian DSA-4188-1 : linux - security update (Spectre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802268
OpenVAS Name: SuSE Update for Linux Kernel openSUSE-SU-2018:0781-1 (Linux Kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org

Timelineinfo

01/18/2018 🔍
01/22/2018 +4 days 🔍
03/13/2018 +50 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/14/2018 +1 days 🔍
05/01/2018 +48 days 🔍
05/02/2018 +1 days 🔍
09/14/2025 +2692 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2019:2029
Status: Confirmed

CVE: CVE-2018-8087 (🔍)
GCVE (CVE): GCVE-0-2018-8087
GCVE (VulDB): GCVE-100-114489

OVAL: 🔍

SecurityFocus: 103397 - Linux Kernel 'drivers/net/wireless/mac80211_hwsim.c' Local Denial of Service Vulnerability
CERT Bund: WID-SEC-2022-0532 - Linux Kernel: Mehrere Schwachstellen

See also: 🔍

Entryinfo

Created: 03/14/2018 07:37
Updated: 09/14/2025 06:07
Changes: 03/14/2018 07:37 (78), 01/13/2020 09:40 (5), 02/21/2023 16:53 (5), 09/14/2025 06:07 (23)
Complete: 🔍
Cache ID: 216:088:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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