Linux Kernel up to 4.9.12 net/irda/irqueue.c hashbin_delete resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 4.9.12. Affected is the function hashbin_delete of the file net/irda/irqueue.c. Such manipulation leads to resource management. This vulnerability is listed as CVE-2017-6348. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.9.12 (Operating System) and classified as problematic. Affected by this issue is the function hashbin_delete of the file net/irda/irqueue.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

The hashbin_delete function in net/irda/irqueue.c in the Linux kernel before 4.9.13 improperly manages lock dropping, which allows local users to cause a denial of service (deadlock) via crafted operations on IrDA devices.

The bug was discovered 02/28/2017. The weakness was presented 03/01/2017 by Salvatore Bonaccorso (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2017-6348 since 02/26/2017. The attack needs to be approached locally. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 97640 (Debian DLA-849-1 : linux security update), 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 175984 (Debian Security Update for Linux (DSA 3804-1)).

Upgrading to version 4.9.13 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97640) and SecurityFocus (BID 96483†). See VDB-97226, VDB-97281, VDB-97445 and VDB-97446 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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

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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: 97640
Nessus Name: Debian DLA-849-1 : linux security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703804
OpenVAS Name: Debian Security Advisory DSA 3804-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 4.9.13
Patch: git.kernel.org

Timelineinfo

02/26/2017 🔍
02/28/2017 +2 days 🔍
02/28/2017 +0 days 🔍
03/01/2017 +1 days 🔍
03/01/2017 +0 days 🔍
03/02/2017 +1 days 🔍
03/09/2017 +7 days 🔍
03/10/2017 +1 days 🔍
09/03/2020 +1273 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: openwall.com
Researcher: Salvatore Bonaccorso
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6348 (🔍)
GCVE (CVE): GCVE-0-2017-6348
GCVE (VulDB): GCVE-100-97448

OVAL: 🔍

SecurityFocus: 96483 - Linux Kernel CVE-2017-6348 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-6348 - Linux - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/02/2017 09:29
Updated: 09/03/2020 14:17
Changes: 03/02/2017 09:29 (82), 09/03/2020 14:17 (6)
Complete: 🔍
Cache ID: 216:AA1:103

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